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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2012	Oct. 24, 2012
Entity Information [Line Items]
Entity Registrant Name	NEWLINK GENETICS CORP
Entity Central Index Key	0001126234
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		20,915,337

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 25,557	$ 39,490
Certificates of deposit	2,739	2,490
Prepaid expenses	145	409
State research and development credit receivable	454	202
Other receivables	26	197
Total current assets	28,921	42,788
Leasehold improvements and equipment:
Leasehold improvements	5,041	4,459
Computer equipment	773	710
Lab equipment	3,686	3,333
Total leasehold improvements and equipment	9,500	8,502
Less accumulated depreciation and amortization	(3,413)	(2,911)
Leasehold improvements and equipment, net	6,087	5,591
Total assets	35,008	48,379
Liabilities and Equity
Accounts payable	708	1,670
Accrued expenses	2,136	1,867
Deferred rent	76	913
Notes payable to Iowa Department of Economic Development	0	6,000
Obligations under capital leases	82	121
Current portion of long term debt	148	93
Total current liabilities	3,150	10,664
Long term liabilities:
Obligations under capital leases, excluding current portion	43	94
Deferred rent, excluding current portion	1,414	0
Total long-term liabilities	8,635	942
Total liabilities	11,785	11,606
Equity (deficit):
Common stock, $0.01 par value: Authorized shares — 38,833,334 at September 30, 2012, and December 31, 2011; issued and outstanding shares — 20,908,789 at September 30, 2012, and 20,591,240 at December 31, 2011	209	206
Additional paid-in capital	121,492	118,043
Deficit accumulated during the development stage	(98,478)	(81,476)
Total equity	23,223	36,773
Commitments
Total liabilities and equity	35,008	48,379
Blank Check Preferred Stock [Member]
Equity (deficit):
Blank check preferred stock, $0.01 par value: Authorized shares — 5,000,000 at September 30, 2012, and December 31, 2011; issued and outstanding shares — 0 at September 30, 2012, and December 31, 2011	0	0
Iowa Economic Development Authority [Member]
Long term liabilities:
Royalty obligation payable to Iowa Economic Development Authority	6,000	0
Iowa State University Research Park [Member]
Long term liabilities:
Notes payable	878	548
City of Ames [Member]
Long term liabilities:
Notes payable	$ 300	$ 300

Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares	Sep. 30, 2012	Dec. 31, 2011
Stockholders' Equity:
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized shares	38,833,334	38,833,334
Common stock, issued shares	20,908,789	20,591,240
Common stock, outstanding shares	20,908,789	20,591,240
Blank Check Preferred Stock [Member]
Stockholders' Equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized shares	5,000,000	5,000,000
Preferred stock, issued shares	0.00	0.00
Preferred stock, shares outstanding	0.00	0.00

Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		160 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Grant revenue	$ 327	$ 430	$ 1,388	$ 1,571	$ 7,105
Operating expenses:
Research and development	4,779	3,301	13,349	10,276	73,667
General and administrative	1,396	1,101	5,005	3,553	34,840
Total operating expenses	6,175	4,402	18,354	13,829	108,507
Loss from operations	(5,848)	(3,972)	(16,966)	(12,258)	(101,402)
Other income and expense:
Miscellaneous income	0	0	(21)	1	337
Forgiveness of debt	0	0	0	0	449
Interest income	3	2	11	10	1,764
Interest expense	(6)	(16)	(26)	(31)	(169)
Other (expense) income, net	(3)	(14)	(36)	(20)	2,381
Net loss	(5,851)	(3,986)	(17,002)	(12,278)	(99,021)
Less net loss attributable to noncontrolling interest	0	0	0	1	583
Net loss attributable to NewLink	$ (5,851)	$ (3,986)	$ (17,002)	$ (12,277)	$ (98,438)
Net loss per common share, basic and diluted	$ (0.28)	$ (1.09)	$ (0.82)	$ (3.37)
Weighted-average common shares outstanding, basic	20,887,689	3,658,122	20,729,174	3,647,127

Condensed Consolidated Statements of Operations (Weighted-average common shares outstanding, diluted) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Weighted-average common shares outstanding, diluted	20,887,689	3,658,122	20,729,174	3,647,127

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

Condensed Consolidated Statement of Equity (Deficit) - 9 months ended Sep. 30, 2012 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Deficit Accumulated During the Development Stage [Member]
Balance at Dec. 31, 2011	$ 36,773	$ 206	$ 118,043	$ (81,476)
Balance (shares) at Dec. 31, 2011	20,591,240	20,591,240
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	$ 2,534		2,534
Stock compensation (shares)		13,000
Exercise of stock options	684	$ 3	681
Exercise of stock options (shares)		290,840
Sale of shares under stock purchase plan	80		80
Sale of shares under stock purchase plan (shares)		13,709
Fractional shares from initial public offering	(4)		(4)
Reduction of initial public offering expenses	158		158
Net loss	(17,002)			(17,002)
Balance at Sep. 30, 2012	$ 23,223	$ 209	$ 121,492	$ (98,478)
Balance (shares) at Sep. 30, 2012	20,908,789	20,908,789

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended		160 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Cash Flows From Development Activities
Net loss	$ (17,002)	$ (12,278)	$ (99,021)
Adjustments to reconcile net loss to net cash used in development activities:
Share-based compensation	2,534	1,410	7,883
Depreciation and amortization	573	520	3,534
Loss on sale of fixed assets	20	0	20
In-process research and development expenses	0	0	1,629
Forgiveness of debt	0	0	(449)
Forgiveness of notes receivable from related parties	0	0	350
Changes in operating assets and liabilities:
Prepaid expenses	264	(958)	(145)
State research and development credit receivable	(252)	90	(454)
Other receivables	170	73	(26)
Accounts payable	(962)	(297)	(522)
Accrued expenses and deferred rent	845	110	3,626
Net cash used in development activities	(13,810)	(11,330)	(83,575)
Cash Flows From Investing Activities
Purchase of investments	(1,992)	0	(13,282)
Sale of investments	1,743	2,269	10,543
Notes receivable from related parties	0	0	(350)
Purchase of equipment	(1,137)	(94)	(7,906)
Proceeds on sale of fixed assets	50	0	50
Cash paid for OncoRx	0	0	(120)
Net cash provided by (used in) investing activities	(1,336)	2,175	(11,065)
Cash Flows From Financing Activities
Cash received from noncontrolling interest investment	0	0	3,479
Issuance of common stock, net of offering costs	922	18	42,082
Repurchase of common stock	(4)	0	(505)
Repayments (advances) of notes receivable for common stock	0	13	0
Proceeds from preferred stock	0	5,000	67,743
Proceeds from notes payable	456	0	8,215
Principal payments on debt	(71)	(69)	(440)
Payments under capital lease obligations	(90)	(92)	(377)
Net cash provided by financing activities	1,213	4,870	120,197
Net (decrease) increase in cash and cash equivalents	(13,933)	(4,285)	25,557
Cash and cash equivalents at beginning of period	39,490	10,572	0
Cash and cash equivalents at end of period	25,557	6,287	25,557
Supplemental disclosure of cash flows information:
Cash paid for interest	27	31	131
Noncash financing and investing activities:
Accretion on redeemable preferred stock	0	7	113
Purchased leasehold improvements and equipment in accounts payable	5	24	5
Common stock issued to shareholders of OncoRx as part of acquisition	0	0	1,654
Issuance of common stock dividend to Series AA preferred shareholders	0	0	6
Assets acquired under capital lease	$ 0	$ 80	$ 542

Description of Business and Development Stage Activities	9 Months Ended
	Sep. 30, 2012
Development Stage Enterprises [Abstract]
Description of Business and Development Stage Activities	Description of Business and Development Stage Activities On June 4, 1999, NewLink Genetics Corporation (“NewLink”) was incorporated as a Delaware corporation. NewLink was formed for the purpose of developing treatments for cancer and other diseases. NewLink initiated operations in April of 2000, which primarily consist of research and development. In 2005, NewLink created a wholly owned subsidiary, BioProtection Systems Corporation (“BPS”). NewLink and BPS (together referred to herein as the “Company”) are development stage enterprises and are devoting substantially all of their efforts toward research and development. The Company has never earned revenue from sales of its drugs under development. The Company has, from June 4, 1999 (inception) through September 30, 2012 generated a cumulative deficit of $98.5 million. The accompanying financial statements have been prepared assuming the Company will continue as a going concern. The Company received $37.6 million as a result of the closing of the initial public offering of the Company's common stock (“IPO”) on November 16, 2011, which is expected to fund operations through 2013. The generation of additional financing may be necessary for the Company to continue operations in the future. There can be no assurance, however, that such financing will be available on terms acceptable to the Company or at all.

- Definition

The entire disclosure for all or part of the detailed information required for development stage enterprises. The information may also be disclosed on an element-by-element basis. Information may include an identification of the current or prior year financial statements of the entity, its development stage subsidiaries, or its investees as those of one or more development stage enterprises; a description of the nature of the development stage activities in which each enterprise is engaged; and in the first fiscal year in which each enterprise is no longer considered a development stage enterprise, a statement that in prior years the enterprise had been in the development stage.

+ References

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+ Details

Basis of Presentation	9 Months Ended
Basis of Presentation	Sep. 30, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation The interim financial statements have been prepared and presented by the Company in accordance with accounting principles generally accepted in the United States (“GAAP”) and the rules and regulations of the Securities and Exchange Commission (“SEC”), without audit, and, in management's opinion, reflect all adjustments necessary to present fairly the Company’s interim financial information. Certain information and footnote disclosures normally included in the Company’s annual financial statements prepared in accordance with GAAP have been condensed or omitted. The accompanying unaudited financial statements should be read in conjunction with the audited financial statements for the year ended December 31, 2011, included in the Company's Annual Report on Form 10-K (as amended). There were no significant changes in the Company's accounting policies or estimates since the end of fiscal 2011. The financial results for any interim period are not necessarily indicative of financial results for the full year.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

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-Name Statement of Position (SOP)
-Number 94-6
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+ Details

Significant Accounting Policies

9 Months Ended

Sep. 30, 2012

Accounting Policies [Abstract]

Significant Accounting Policies


(a)	Use of Estimates

The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (U.S. GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.


(b)	Principles of Consolidation

The consolidated financial statements include the financial statements of NewLink and BPS. All intercompany balances and transactions have been eliminated in consolidation.


(c)	Financial Instruments and Concentrations of Credit Risk

The fair values of cash and cash equivalents, certificates of deposit, prepaid expenses, receivables, accounts payable, and accrued liabilities, which are recorded at cost, approximate fair value based on the short-term nature of these financial instruments. The fair value and carrying value of notes payable, and capital lease obligations was $1.5 million and $1.2 million as of September 30, 2012 and December 31, 2011, respectively, and was determined using Level 3 inputs. The Company is unable to estimate the fair value of the royalty obligation as the timing of payments is uncertain. Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, and certificates of deposit. Cash and cash equivalents are held by financial institutions and are federally insured up to certain limits. At times, the Company’s cash and cash equivalents balance exceeds the federally insured limits. To limit the credit risk, the Company invests its excess cash primarily in high quality securities such as money market funds.


(d)	Recently Adopted Accounting Pronouncements

In June 2011, the Financial Accounting Standards Board (FASB) issued new accounting guidance which revised the manner in which companies present comprehensive income in their financial statements. The new guidance removed the presentation options previously allowed and requires companies to report components of comprehensive income as part of the consolidated statement of income or as a separate consolidated statement of comprehensive income. The revised guidance did not change the items that must be reported in other comprehensive income. The guidance was effective for the Company on January 1, 2012. Comprehensive income consists of net income and other comprehensive income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that are not included in net income, but rather are recorded directly in stockholders’ equity. The Company adopted this guidance on January 1, 2012. During the nine months ended September 30, 2012 and 2011 there were no amounts recorded directly in stockholders’ equity and therefore there was no difference between net income and comprehensive income for these two respective periods.

Long-Term Debt Conversion to Royalty Obligation	9 Months Ended
Long-Term Debt Conversion to Royalty Obligation	Sep. 30, 2012
Long-Term Debt Conversion to Royalty Obligation [Abstract]
Long-Term Debt Conversion to Royalty Obligation	Long-Term Debt Conversion to Royalty Obligation In March 2005, the Company entered into a $6.0 million forgivable loan agreement with the Iowa Department of Economic Development, or the IDED. Under the agreement, in the absence of default, there were no principal or interest payments due until the completion date for the project. The balance outstanding under the loan agreement was $6.0 million as of December 31, 2011. The agreement provided the Company with financial assistance for research and product development activities at its Iowa State University Research Park facility. Additionally, under the agreement, the Company was obligated to pay a minimum of 0.25% royalties on all gross revenues of any products the Company brings to market with a cumulative maximum royalty amount due of $3.2 million. Substantially all of the Company's assets were pledged to secure this loan. On March 27, 2012 the Company entered into a settlement agreement with the Iowa Economic Development Authority ("IEDA") as the successor organization to IDED. Under the terms of the settlement agreement the Company agreed to pay a 0.5% royalty on future product sales up to a cap of $6.8 million in exchange for IEDA’s release of the Company's job creation and project expenditure obligations and their release of the security interest in substantially all of the Company's assets. As no payments are expected in the next 12 months, the entire accrued royalty obligation of $6.0 million is considered long-term. There were no other changes in the terms of the Company's other long-term debt agreements since December 31, 2011 as reported in the Company's Annual Report on Form 10-K as amended.

Common Stock Equity Incentive Plan

9 Months Ended

Sep. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Common Stock Equity Incentive Plan

Under the terms of the Company's 2010 Non-Employee Directors’ Stock Option Plan, or Directors’ Plan, which became effective on November 10, 2011, 238,095 shares of common stock were reserved for future issuance. As of September 30, 2012, 238,095 shares remained available for issuance under the plan.

Under the terms of the Company's 2010 Employee Stock Purchase Plan, or 2010 Purchase Plan, which became effective on November 10, 2011, 214,285 shares of common stock were reserved for future issuance. As of September 30, 2012, 200,576 shares remained available for issuance under the plan. During the nine months ending September 30, 2012, 13,709 shares of common stock were purchased under the terms of the plan.

As of September 30, 2012, there were an additional 627,183 shares reserved for future issuance under the Company's 2009 Equity Incentive Plan.

Share-based employee compensation expense for the nine months ended September 30, 2012 and 2011 and since inception was $2.5 million, $1.4 million and $7.9 million, respectively, and is allocated between research and development and general and administrative expenses within the consolidated statements of operations. As of September 30, 2012, the total compensation cost related to non-vested option awards not yet recognized was $4.3 million and the weighted average period over which it is expected to be recognized was 2.5 years.

The following table summarizes the stock option activity for the nine months ended September 30, 2012:



	Number of options		Weighted average exercise price		Weighted average remaining contractual term (years)
Outstanding at beginning of period	3,515,051		$	3.51
Options granted	576,169		7.23
Options exercised	(290,840	)	2.35
Options forfeited	(77,108	)	6.82
Options expired	(6,586	)	2.54
Outstanding at end of period	3,716,686		$	4.11	7.4
Options exercisable at end of period	2,510,117		$	3.30	7.0

During the nine months ending September 30, 2012 the Company issued stock awards of 13,000 shares of common stock with a fair value of $102,000.

The following table summarizes the assumptions used to estimate the fair value of those stock options granted during the nine months ended September 30, 2012 using a Black-Scholes valuation model:



Risk-free interest rate	1.0% - 2.1%
Expected dividend yield	—
Expected volatility	63.0% - 65.0%
Expected term (in years)	5.0 - 7.0
Weighted average grant-date fair value per share	$4.44

The intrinsic value of options exercised during the nine months ending September 30, 2012 was $3.2 million. The fair value of shares available under awards that vested during the nine months ending September 30, 2012 was $2.1 million.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

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-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Income Taxes	9 Months Ended
Income Taxes	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company incurred no income tax expense for the nine months ended September 30, 2012 and 2011 or since inception. Income tax expense differs from the amount that would be expected after applying the statutory U.S. federal income tax rate primarily due to changes in the valuation allowance for deferred taxes. The valuation allowance for deferred tax assets as of September 30, 2012 and December 31, 2011 was $22.2 million and $18.9 million, respectively. The net change in the total valuation allowance for the nine months ended September 30, 2012 and 2011 was an increase of $3.3 million and $2.6 million, respectively. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. Management considers the scheduled reversal of deferred tax liabilities, projected taxable income, and tax planning strategies in making this assessment. Valuation allowances have been established for the entire amount of the net deferred tax assets as of September 30, 2012 and December 31, 2011, due to the uncertainty of future recoverability. Based on a preliminary analysis, the Company believes that, from its inception through December 31, 2009, NewLink experienced Section 382 ownership changes in September 2001 and March 2003. These two ownership changes limit NewLink’s ability to utilize its federal net operating loss carryforwards (and certain other tax attributes) that accrued prior to the 2003 ownership change. In addition, the net operating loss carryforwards (and certain other tax attributes) of our subsidiary may be limited by Sections 382 and 383 as a result of a prior ownership change of the subsidiary.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Net Loss per Common Share

9 Months Ended

Sep. 30, 2012

Net Loss per Common Share [Abstract]

Net Loss per Common Share

Basic net loss per share is calculated by dividing the net loss attributable to common stockholders by the weighted average number of common shares outstanding for the period, without consideration of common stock equivalents. Diluted net loss per share is computed by dividing the net loss attributable to common stockholders by the weighted average number of common share equivalents outstanding for the period determined using the treasury-stock method. For purposes of this calculation, preferred stock, stock options and warrants are considered to be common stock equivalents and are only included in the calculation of diluted net loss per share when their effect is dilutive.

Net loss attributable to common stockholders was not adjusted for the stock dividend paid on the Company’s Series AA preferred stock as the impact is not material. Potentially dilutive securities not included in the calculation of diluted net loss per common share because to do so would be anti-dilutive are as follows (in common equivalent shares):



	As of September 30,
	2012	2011
Preferred stock (1)	—	10,710,850
Common stock options	3,716,686	3,088,084
	3,716,686	13,798,934

_________________________________

(1) Amounts for the Company’s Series BB, C, D and E conversions are computed based on the IPO price of $7.00 per share.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2012

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies


	Commitments and Contingencies

There were no significant changes in outstanding commitments or contingencies as disclosed in the Company's Annual Report on Form 10-K as of September 30, 2012.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25287-109308

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
-Paragraph 3
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9, 10, 11, 12
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Significant Accounting Policies (Policies)	9 Months Ended
Significant Accounting Policies (Policies)	Sep. 30, 2012
Accounting Policies [Abstract]
Use of Estimates	Use of Estimates The preparation of consolidated financial statements in conformity with U.S. generally accepted accounting principles (U.S. GAAP) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.
Principles of Consolidation	Principles of Consolidation The consolidated financial statements include the financial statements of NewLink and BPS. All intercompany balances and transactions have been eliminated in consolidation.
Financial Instruments	Financial Instruments and Concentrations of Credit Risk The fair values of cash and cash equivalents, certificates of deposit, prepaid expenses, receivables, accounts payable, and accrued liabilities, which are recorded at cost, approximate fair value based on the short-term nature of these financial instruments. The fair value and carrying value of notes payable, and capital lease obligations was $1.5 million and $1.2 million as of September 30, 2012 and December 31, 2011, respectively, and was determined using Level 3 inputs.
Concentration of Credit Risk	Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, and certificates of deposit. Cash and cash equivalents are held by financial institutions and are federally insured up to certain limits. At times, the Company’s cash and cash equivalents balance exceeds the federally insured limits. To limit the credit risk, the Company invests its excess cash primarily in high quality securities such as money market funds.
Recently Adopted Accounting Pronouncements	Recently Adopted Accounting Pronouncements In June 2011, the Financial Accounting Standards Board (FASB) issued new accounting guidance which revised the manner in which companies present comprehensive income in their financial statements. The new guidance removed the presentation options previously allowed and requires companies to report components of comprehensive income as part of the consolidated statement of income or as a separate consolidated statement of comprehensive income. The revised guidance did not change the items that must be reported in other comprehensive income. The guidance was effective for the Company on January 1, 2012. Comprehensive income consists of net income and other comprehensive income (loss). Other comprehensive income (loss) refers to revenues, expenses, gains and losses that are not included in net income, but rather are recorded directly in stockholders’ equity. The Company adopted this guidance on January 1, 2012. During the nine months ended September 30, 2012 and 2011 there were no amounts recorded directly in stockholders’ equity and therefore there was no difference between net income and comprehensive income for these two respective periods.

- Definition

Disclosure of accounting policy for credit risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 55
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6875567&loc=d3e14489-108613

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6487554&loc=d3e32600-158583

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 2
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name FASB Staff Position (FSP)
-Number SOP94-6-1
-Paragraph 7, 11
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 113
-Paragraph 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 14
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2197480

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 40
-Section 45
-URI http://asc.fasb.org/section&trid=2197723

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196966

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 325
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-URI http://asc.fasb.org/subtopic&trid=2197087

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367646&loc=d3e18780-107790

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.3A-02)
-URI http://asc.fasb.org/extlink&oid=6959686&loc=d3e355033-122828

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33801-111570

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-Name Accounting Standards Codification
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 4
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 18
-Paragraph 5, 6, 16-19
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 96-16
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 4
-Subparagraph d
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Principles Board Opinion (APB)
-Number 18
-Paragraph 20
-Subparagraph a(2)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 2-6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 15: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 97-2
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 16: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph k
-Article 1

Reference 17: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 46
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 18: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02, 03
-Article 3A

Reference 19: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 46R
-Paragraph 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Common Stock Equity Incentive Plan (Tables)

9 Months Ended

Sep. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Option Activity

The following table summarizes the stock option activity for the nine months ended September 30, 2012:



	Number of options		Weighted average exercise price		Weighted average remaining contractual term (years)
Outstanding at beginning of period	3,515,051		$	3.51
Options granted	576,169		7.23
Options exercised	(290,840	)	2.35
Options forfeited	(77,108	)	6.82
Options expired	(6,586	)	2.54
Outstanding at end of period	3,716,686		$	4.11	7.4
Options exercisable at end of period	2,510,117		$	3.30	7.0

Assumptions Used in Black-Scholes Pricing Model for New Grants

The following table summarizes the assumptions used to estimate the fair value of those stock options granted during the nine months ended September 30, 2012 using a Black-Scholes valuation model:



Risk-free interest rate	1.0% - 2.1%
Expected dividend yield	—
Expected volatility	63.0% - 65.0%
Expected term (in years)	5.0 - 7.0
Weighted average grant-date fair value per share	$4.44

Net Loss per Common Share (Tables)

9 Months Ended

Sep. 30, 2012

Net Loss per Common Share [Abstract]

Antidilutive Securities Not Included in Computation of Net Loss Per Share



	As of September 30,
	2012	2011
Preferred stock (1)	—	10,710,850
Common stock options	3,716,686	3,088,084
	3,716,686	13,798,934

_________________________________

(1) Amounts for the Company’s Series BB, C, D and E conversions are computed based on the IPO price of $7.00 per share.

Description of Business and Development Stage Activities (Details) - USD ($) $ in Thousands	Sep. 30, 2012	Dec. 31, 2011	Nov. 16, 2011
Development Stage Enterprises [Abstract]
Deficit accumulated during the development stage	$ (98,478)	$ (81,476)
Initial Public Offering Proceeds			$ 37,600

Significant Accounting Policies (Details) - USD ($) $ in Millions	Sep. 30, 2012	Dec. 31, 2011
Estimate of Fair Value, Fair Value Disclosure [Member]
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
Fair value and carrying value of notes payable and capital lease obligations	$ 1.5	$ 1.2

Long-Term Debt Conversion to Royalty Obligation (Details) - USD ($) $ in Millions	Sep. 30, 2012	Dec. 31, 2011
Amount
Debt Instrument
Original Balance		$ 6.0
Outstanding Balance		6.0
Original Royalty Maximum Amount		$ 3.2
Revised Royalty Maximum Amount	$ 6.8
Long-Term Portion of Royalty Obligation	$ 6.0
Percent
Debt Instrument
Original Royalty Rate		0.25%
Revised Royalty Rate	0.50%

Common Stock Equity Incentive Plan (Details)	9 Months Ended		160 Months Ended
Common Stock Equity Incentive Plan (Details)	Sep. 30, 2012 USD ($) yr $ / shares shares	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($) yr $ / shares shares
Common Stock Equity Incentive Plan
Total Compensation Cost Related to Non-vested Option Awards \| $	$ 4,300,000		$ 4,300,000
Weighted Average Vesting Period for Non-vested Option Awards, In Years \| yr	2.5
Share-based Compensation Expense \| $	$ 2,500,000	$ 1,400,000	$ 7,900,000
Minimum
Assumptions Used in Black Scholes Pricing Model for New Grants
Risk Free Interest Rate	1.00%
Dividend Rate	0.00%
Volatility Rate	63.00%
Expected Term, In Years \| yr	5.0
Maximum
Assumptions Used in Black Scholes Pricing Model for New Grants
Risk Free Interest Rate	2.10%
Dividend Rate	0.00%
Volatility Rate	65.00%
Expected Term, In Years \| yr	7.0
Weighted average grant-date fair value per share \| $ / shares	$ 4.44
2009 Equity Incentive Plan [Member] \| Stock Options
Common Stock Equity Incentive Plan
Intrinsic Value of Option Exercised \| $	$ 3,200,000
Fair Value of Awards Vested \| $	$ 2,100,000
2009 Equity Incentive Plan [Member] \| Restricted Stock
Common Stock Equity Incentive Plan
Shares Issued	13,000
Share-based Compensation Expense \| $	$ 102,000
2009 Equity Incentive Plan [Member] \| Options
Common Stock Equity Incentive Plan
Number of Shares Available for Grant	627,183		627,183
2009 Equity Incentive Plan [Member] \| Options \| Stock Options
Stock Option Activity
Outstanding at beginning of period	3,515,051
Grants	576,169
Exercises	(290,840)
Forfeitures	(77,108)
Expirations	(6,586)
Outstanding at end of period	3,716,686		3,716,686
Exercisable	2,510,117		2,510,117
2009 Equity Incentive Plan [Member] \| Weighted Average Exercise Price \| Stock Options
Stock Option Activity
Outstanding at beginning of period, weighted average exercise price \| $ / shares	$ 3.51
Grants, weighted average exercise price \| $ / shares	7.23
Exercises, weighted average exercise price \| $ / shares	2.35
Forfeitures, weighted average exercise price \| $ / shares	6.82
Expirations, weighted average exercise price \| $ / shares	2.54
Outstanding at end of period, weighted average exercise price \| $ / shares	$ 4.11		$ 4.11
Outstanding at end of period, weighted average remaining contractual term, in years \| yr	7.4		7.4
Exercisable, weighted average exercise price \| $ / shares	$ 3.30		$ 3.30
Exercisable, weighted average remaining contractual term, in years \| yr	7.0		7.0
2010 Employee Stock Purchase Plan [Member]
Common Stock Equity Incentive Plan
Number of Shares Authorized	214,285		214,285
Number of Shares Available for Grant	200,576		200,576
Shares Issued	13,709
2010 Non-Employee Directors' Stock Option Plan [Member]
Common Stock Equity Incentive Plan
Number of Shares Authorized	238,095		238,095
Number of Shares Available for Grant	238,095		238,095

Income Taxes (Details) - USD ($)	9 Months Ended		160 Months Ended
Income Taxes (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Income Tax Expense	$ 0	$ 0	$ 0
Deferred Tax Valuation Allowance	22,200,000		$ 22,200,000	$ 18,900,000
Change in Deferred Tax Valuation Allowance	$ 3,300,000	$ 2,600,000

Net Loss per Common Share (Details) - USD ($)

9 Months Ended

Sep. 30, 2012

Sep. 30, 2011

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Potentially dilutive securities excluded from computation of diluted net loss per share

3,716,686

13,798,934

IPO price for conversion computations

$ 7.00

Convertible Preferred Stock

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Potentially dilutive securities excluded from computation of diluted net loss per share

^[1]

10,710,850

Stock Options

Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]

Potentially dilutive securities excluded from computation of diluted net loss per share

3,716,686

3,088,084

[1]	Amounts for the Company’s Series BB, C, D and E conversions are computed based on the IPO price of $7.00 per share.

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 13, 14
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details