Credit Facility and Term Loans (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Schedule of Credit Facility and Term Loans

Credit facility and term loans consisted of the following as of December 31, 2018 and June 30, 2019:

	December 31, 2018			June 30, 2019
	(in thousands)
Mid Cap Credit facility	$	16,455		$	20,357
Less: deferred debt issuance costs		(1,960	)		(1,614	)
Less discount associated with issuance of warrants		(44	)		(36	)
Total Mid Cap credit facility	$	14,451		$	18,707
Horizon Term loan	$	15,000		$	15,000
Less: deferred debt issuance costs		(1,022	)		(976	)
Less discount associated with issuance of warrants		(929	)		(813	)
Total Horizon term loan		13,049			13,211
Less-current portion		—			—
Term loan-non current portion	$	13,049		$	13,211

Schedule of Interest Expense, Net

Interest expense, net consisted of the following for the three and six months ended June 30, 2018 and 2019:

	Three Months Ended
	June 30, 2018		June 30, 2019
	(in thousands)
Interest expense	$	506	$	1,288
Interest income		—		(7	)
Total Interest expense, net	$	506	$	1,281

	Six Months Ended
	June 30, 2018		June 30, 2019
	(in thousands)
Interest expense	$	1,063	$	2,501
Interest income		—		(7	)
Total Interest expense, net	$	1,063	$	2,494