Debt (Tables)

3 Months Ended

Mar. 31, 2016

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The following table summarizes the Company's outstanding borrowings:

(in thousands)	March 31, 2016			December 31, 2015
2013 Loan and Security Agreement	$	2,645		$	3,278
Term Loan	4,474			5,000
Discount on Term Loan	(2,374		)	(2,785		)
Unamortized debt issuance costs related to Term Loan	(139		)	(163		)
Total debt	4,606			5,330
Short-term portion	(4,606		)	(5,330		)
Total long-term debt, net	$	—		$	—

Summary of Components of Interest Expense

The following table summarizes the components of interest expense for the three month period endedMarch 31, 2016:

(in thousands)	Three Months Ended
	March 31, 2016
Interest expense on Term Loan (interest at LIBOR, plus 14%)	$	180
Interest expense on 2013 Loan and Security Agreement	32
Accretion of termination fees (over term of Term Loan at rate of 8%)	46
Amortization of deferred financing costs	61
Accretion of debt discount associated with Warrant	306
Accretion of discount associated with additional warrant feature	105
Mark to market of the additional warrant feature	59
Total	$	789