Pledge of Cash and Restricted Cash (Tables)

9 Months Ended

Sep. 30, 2020

Pledge of Cash and Restricted Cash [Abstract]

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

	September 30,				December 31,
	2020		2019		2019
Cash and cash equivalents	$	17,926	$	22,470	$	25,993
Restricted cash		50		51		52
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	$	17,976	$	22,521	$	26,045