Revenue (Tables)

3 Months Ended

Mar. 31, 2020

Revenue

Schedule of amounts recorded in accrued liabilities

	March 31,		December 31,
	2020		2019
Contract liabilities	$	(429)	$	(396)
During the three months ended March 31, 2020, the Company recognized $0.2 million of revenue that was included in the contract balances as of December 31, 2019.