Cash, Cash Equivalents, and Restricted Cash (Tables)

6 Months Ended

Jun. 30, 2020

Cash and Cash Equivalents [Abstract]

Schedule of cash and cash equivalents

Cash, cash equivalents and restricted cash as of December 31, 2019 and June 30, 2020 consisted of the following (in thousands):

	December 31,		June 30,
	2019		2020
Current assets:
Cash and cash equivalents	$	49,207	$	79,156
Restricted cash - standby letters of credit		15		15
Total cash, cash equivalents and current portion of restricted cash	$	49,222	$	79,171
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	4,000
Total long-term portion of restricted cash	$	4,000	$	4,000
Total cash, cash equivalents and restricted cash	$	53,222	$	83,171

Schedule of components of restricted cash

Cash, cash equivalents and restricted cash as of December 31, 2019 and June 30, 2020 consisted of the following (in thousands):

	December 31,		June 30,
	2019		2020
Current assets:
Cash and cash equivalents	$	49,207	$	79,156
Restricted cash - standby letters of credit		15		15
Total cash, cash equivalents and current portion of restricted cash	$	49,222	$	79,171
Long-term assets:
Restricted cash - standby letters of credit	$	4,000	$	4,000
Total long-term portion of restricted cash	$	4,000	$	4,000
Total cash, cash equivalents and restricted cash	$	53,222	$	83,171