Convertible preferred stock conversion price.

No definition available.

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- Definition

Costs related to the issuance or offering of stock.

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Stock issued during period, shares to underwriters for exercise of over allotment option.

+ References

No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Number of shares issued for each share of convertible preferred stock that is converted.

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- Definition

The amount per share used to calculated dividend payments on preferred stock.

+ References

No definition available.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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- Definition

The cash inflow associated with the amount received from entity's first offering of stock to the public.

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-Glossary Financing Activities

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- Definition

The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

+ References

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- Definition

The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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- Definition

Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

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Number of new stock issued during the period.

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Stockholders' Equity - Additional Information (Detail) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended	0 Months Ended	24 Months Ended	1 Months Ended				0 Months Ended	1 Months Ended
	Oct. 16, 2013	Feb. 28, 2014	Dec. 31, 2014	Jan. 11, 2011	Dec. 31, 2003	Oct. 31, 2004	May 31, 2006	Mar. 31, 2011	Jul. 31, 2008	May 16, 2010	Sep. 30, 2008	Dec. 31, 2013	Dec. 31, 2012
Class of Stock [Line Items]
Number of shares issued or sold		1,800,000
Price per share		$ 36.50us-gaap_SharePrice
Proceeds from sale of shares		$ 76,700,000
Proceeds from initial public offering net of expenses	83,800,000
Reverse stock split			1-for-18.7739
Common stock, shares authorized			125,000,000us-gaap_CommonStockSharesAuthorized									125,000,000us-gaap_CommonStockSharesAuthorized	425,000,000us-gaap_CommonStockSharesAuthorized
Additional shares sold under over-allotments option to underwriter		450,000
IPO [Member]
Class of Stock [Line Items]
Number of shares issued or sold	5,000,000
Price per share	$ 16.00
Over-Allotment Option [Member]
Class of Stock [Line Items]
Number of shares issued or sold	750,000
Price per share	$ 16.00
Series D-2 Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares issued or sold				18,427,388
Proceeds from sale of shares				12,000,000
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares issued or sold					34,239,374
Proceeds from issuance of convertible preferred stock					34,000,000
Price per share					$ 1.00
Accrued noncumulative dividends on preferred stock			0.08
Series A-1 Preferred Stock [Member]
Class of Stock [Line Items]
Convertible preferred stock series			1.506
Conversion price of preferred stock			12.39
Series A-2 Preferred Stock [Member]
Class of Stock [Line Items]
Convertible preferred stock series			1.00
Conversion price of preferred stock			18.77
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares issued or sold						71,401,237
Proceeds from issuance of convertible preferred stock						30,300,000
Related offering costs						238,000
Shares of common stock allocated							10,003,300
Accrued noncumulative dividends on preferred stock			0.0341
Convertible preferred stock series			1.14
Conversion price of preferred stock			6.95
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares issued or sold							110,952,217
Proceeds from issuance of convertible preferred stock							44,900,000
Related offering costs							101,246
Accrued noncumulative dividends on preferred stock			0.0324
Convertible preferred stock series			1.00
Conversion price of preferred stock			7.70
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Accrued noncumulative dividends on preferred stock			0.0522
Convertible preferred stock series			1.00
Conversion price of preferred stock			12.20
Series D Preferred Stock [Member] \| Raven Biotechnologies Inc. [Member]
Class of Stock [Line Items]
Shares issued to acquire entity								14,446,227	12,466,039
Series D-2 Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares issued or sold										6,916,110	38,337,678
Proceeds from issuance of convertible preferred stock											24,800,000
Related offering costs											$ 156,788
Purchased shares										518,708	2,875,327
Exercise price			0.65
Accrued noncumulative dividends on preferred stock			0.0522
Convertible preferred stock series			1.00
Conversion price of preferred stock			12.20
Undesignated Preferred Stock [Member]
Class of Stock [Line Items]
Undesignated preferred stock, shares authorized			5,000,000
Undesignated preferred stock, par value			0.01
Undesignated preferred stock, shares issued			0									0
Undesignated preferred stock, shares outstanding			0									0
Series A-1 Preferred Stock [Member]
Class of Stock [Line Items]
Shares of common stock allocated						13,604,016