Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Payables And Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities as of December 31, 2019 and 2018 consisted of the following (in thousands):

	December 31,
	2019		2018
Accrued legal and professional fees	$	1,041	$	1,634
Accrued royalties		78		31
Accrued travel and entertainment		157		73
Accrued tax liabilities		2,062		111
Purchases of property and equipment		555		165
Other		478		548
Total accrued liabilities	$	4,371	$	2,562