Balance Sheet Account Details

6 Months Ended

Jun. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Balance Sheet Details

Restricted Cash

Restricted cash as of June 30, 2019 and December 31, 2018 represents a standby letter of credit for the Company’s building lease in lieu of a security deposit during the term of such lease (see Note 4). There is a requirement to maintain $0.9 million of cash collateral in an account pledged as security for such letter of credit.

Inventory, Net

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



	June 30, 2019		December 31, 2018
Work-in-process	$	1,607	$	1,907
Finished goods	361		113
Total inventory, net	$	1,968	$	2,020

As of June 30, 2019 and December 31, 2018, total inventory is recorded net of $0.8 million of inventory reserves.

Accrued Expenses

Accrued expenses consisted of the following (in thousands):



	June 30, 2019		December 31, 2018
Accrued clinical study costs	$	3,317	$	2,430
Accrued interest expense	3,148		2,260
Accrued manufacturing costs	1,890		1,823
Accrued other	1,992		1,972
Total accrued expenses	$	10,347	$	8,485