Supplemental Disclosure of Cash Flow Information

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosure of Cash Flow Information

Supplemental Disclosure of Cash Flow Information

	Years Ended December 31,
	2019		2018		2017
Supplemental disclosure of cash flow activities:
Cash paid for income taxes	$	55	$	93	$	416
Cash paid for operating leases subject to ASU 842	$	6,866	$	—	$	—
Cash paid for interest expense	$	—	$	—	$	101
Supplemental disclosure of non-cash investing and financing activities:
Common stock issued for settlement of restricted stock unit awards	$	1,391	$	1,312	$	3,206
Purchase of property and equipment in accounts payable and accrued expenses	$	116	$	6	$	13
Cash holdback related to acquisition	$	—	$	472	$	—
Deferred tax liability related to acquisition	$	—	$	1,015	$	—
Contingent consideration on acquisition	$	—	$	1,500	$	—