Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2016

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

The Company has re-measured the liability to estimated fair value at June 30, 2016, using the Black-Scholes option pricing model with the following assumptions:

	June 30, 2016
Risk-free interest rate		1.01	%
Expected volatility		74.1	%
Expected term		5.4 years
Expected dividend yield		0	%

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following fair value hierarchy table presents information about the Company’s financial assets and liabilities measured at fair value on a recurring basis as of June 30, 2016:

	Fair Value Measurement as of June 30, 2016
	(In thousands)
	Level 1		Level 2		Level 3		Balance
Warrant liability	$	—	$	—	$	942	$	942
Total	$	—	$	—	$	942	$	942

Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table presents a reconciliation of the Company’s liabilities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the six months ended June 30, 2016:

	Warrant Liability
	(in thousands)
Balance at December 31, 2015	$	—
Issuance of warrants		1,281
Change in fair value upon re-measurement		(339)
Balance at June 30, 2016	$	942