Debt (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of net debt obligation

As of June 30, 2018, the net debt obligation for borrowings made under the Loan and Security Agreement was as follows (in thousands of dollars):

	June 30, 2018			December 31, 2017
Debt principal	$	25,000		$	25,000
End-of-term debt obligation	202			53
Unamortized debt issuance costs	(99		)	(115		)
Net debt obligation	$	25,103		$	24,938

Schedule of future principal payments under the Credit agreement

Future principal and end-of-term debt obligation payments due under the Loan and Security Agreement are as follows (in thousands of dollars):

Year Ending December 31,
2019	$	1,389
2020	8,333
2021	8,333
2022	8,132
Total	$	26,187