Date the warrants or rights expire, in CCYY-MM-DD format.

No definition available.

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- Definition

Date the warrants or rights were issued, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

The exercise price of each class of warrants or rights outstanding.

+ References

No definition available.

+ Details

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- Definition

Represents period within which warrants are exercisable.

+ References

No definition available.

+ Details

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- Definition

Represents number of shares issued upon exercise of warrants during the period.

+ References

No definition available.

+ Details

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- Definition

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

+ References

+ Details

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- Definition

Number of warrants or rights outstanding.

+ 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.(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Article 4

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

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-Paragraph 3

-Subparagraph (c)

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313

+ Details

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- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

No definition available.

+ Details

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- Details

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- Details

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Common Stock Warrant Liability (Details) (USD $)	0 Months Ended		12 Months Ended
Common Stock Warrant Liability (Details) (USD $)	Feb. 23, 2010	Feb. 22, 2011	Dec. 31, 2014	Dec. 31, 2013	May 31, 2013	Mar. 31, 2012
Estimated fair value of warrants accounted for as derivative liabilities [Abstract]
Number of Warrant Shares Issuable (in shares)			15,500,000
Fair Value of Warrants			$ 1,258,000us-gaap_DerivativeLiabilities	$ 5,425,000us-gaap_DerivativeLiabilities
Exercise price of warrants (in dollars per share)			$ 2.81
Five Year Warrant 2 [Member]
Estimated fair value of warrants accounted for as derivative liabilities [Abstract]
Issuance Date	Feb. 23, 2010
Number of Warrant Shares Issuable (in shares)	916,669
Exercise Price (in dollars per share)	$ 12.75
Warrant Expiration Date	Feb. 23, 2015
Fair Value of Warrants	5,701,000		0	6,000
February 2011 warrants [Member]
Class of Warrant or Right [Line Items]
Exercisable period of warrants		5 years
Estimated fair value of warrants accounted for as derivative liabilities [Abstract]
Issuance Date		Feb. 22, 2011
Number of Warrant Shares Issuable (in shares)		4,550,100
Exercise Price (in dollars per share)		$ 1.50
Warrant Expiration Date		Feb. 22, 2016
Fair Value of Warrants		8,004,000	1,258,000	5,419,000
Exercise of warrants by warrant holders to purchase common stock (in shares)			284,850	113,800
Proceeds from exercise of warrants			$ 400,000	$ 200,000
Exercise price of warrants (in dollars per share)		$ 3.20	$ 1.50		$ 1.50	$ 2.80