Balance Sheet Account Details

9 Months Ended

Sep. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Restricted Cash

Restricted cash as of September 30, 2018 and December 31, 2017 represents a standby letter of credit for the Company’s building lease in lieu of a security deposit during the term of such lease. There is a requirement to maintain $0.9 million of cash collateral in an account pledged as security for such letter of credit.

Accrued Expenses

Accrued expenses consist of the following for each of the periods below (in thousands):



	September 30, 2018		December 31, 2017
Accrued interest expense	$	4,386	$	—
Accrued clinical trials	3,082		577
Accrued other	3,527		126
Total accrued expenses	$	10,995	$	703