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Subsequent Events (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended		6 Months Ended
	May 31, 2012	Jun. 30, 2009	Jun. 30, 2013 Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock issued	15.3	0.9	4.6
Proceeds from issuance of common stock	$ 21.1	$ 2.7	$ 1.8
Remaining amount			$ 48.2
Investment Warrants, Exercise Price			$ 0.37

X

- Definition

The remaining amount of common stock after being used for general purposes, including, but not limited to, funding of the Company's clinical trials, commercialization of our products, obtaining regulatory approvals, capital expenditures and working capital.

+ References

No definition available.

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- Definition

Exercise price of the warrants.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

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X

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228



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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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Number of new stock issued during the period.

+ References

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.



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