Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Liabilities

The following table sets forth the fair value of the Company’s financial liabilities by level within the fair value hierarchy (in thousands):

	At March 31, 2017
	Level 1		Level 2		Level 3		Total
2017 Placement Warrants Liability	$	—	$	—	$	11,818	$	11,818
2016 Placement Warrants Liability		—		—		9,509		9,509
Total	$	—	$	—	$	21,327	$	21,327

	At December 31, 2016
	Level 1		Level 2		Level 3		Total
2016 Placement Warrants Liability	$	—	$	—	$	2,723	$	2,723

Summary of Changes in Fair Value of Level 3 Financial Liabilities

The following table sets forth a summary of the changes in fair value of the Company’s Level 3 financial liabilities (in thousands):

	Three Months Ended March 31, 2017
Fair value, beginning of period	$	2,723
Issuance of 2017 Placement Warrants		3,373
Change in fair value of Level 3 financial liabilities		15,231
Fair value, end of period	$	21,327