Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Summary of Company's Warrant Liability

The following table summarizes the warrant liability valuation for the two years ended December 31, 2014:

Description	Fair Value Measurements Warrant Liability
Beginning balance, December 31, 2012	$	20,233,338
Issuances (Level 3)		1,465,000
Total (gains) or losses (Level 1 and 2)		(21,698,338	)
Ending balance, December 31, 2013	$	—
Issuances (Level 3)		34,857
Ending balance, December 31, 2014	$	34,857