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STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (Pre Acquisition, USD $)	12 Months Ended
	Dec. 31, 2009 Series E redeemable convertible preferred stock	Dec. 31, 2009 Private Placement	Dec. 31, 2010 Public Offering
Issuance costs	$ 795,469	$ 61,116	$ 250,862

X

- Definition

Direct costs (e.g., legal and accounting fees) associated with issuing stock that is deducted from additional paid in capital. Also includes any direct costs associated with stock issues under a shelf registration.

+ References

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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