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Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Summary of Company's Warrant Liability

The following table summarizes the warrant liability valuation for the years ended December 31, 2013 and 2012:

Description		Fair Value Measurements Warrant Liability
Beginning balance, December 31, 2011		$	—
Issuances (Level 3)			18,742,526
Total (gains) or losses (Level 1 and 2)			1,490,812
Ending balance, December 31, 2012		$	20,233,338
Issuances (Level 3)			1,465,000
Warrant conversion (Level 1 and 2)			(21,698,338	)
Ending balance, December 31, 2013		$	—

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