Balance Sheet Account Details (Tables)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory

Inventory, net consisted of the following (in thousands):

	March 31, 2019		December 31, 2018
Work-in-process	$	1,839	$	1,907
Finished goods	138		113
Total inventory, net	$	1,977	$	2,020

Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	March 31, 2019		December 31, 2018
Accrued clinical study costs	$	3,371	$	2,430
Accrued interest expense	2,676		2,260
Accrued manufacturing costs	1,775		1,823
Accrued other	1,750		1,972
Total accrued expenses	$	9,572	$	8,485