Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue

Schedule of amounts recorded in accrued liabilities

	September 30,		December 31,
	2020		2019
Contract liabilities	$	(494)	$	(396)
During the three and nine months ended September 30, 2020, the Company recognized $8,000 and $242,000, respectively, of revenue that was included in the contract balances as of December 31, 2019.