Contract Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2021

Revenue From Contract With Customer [Abstract]

Schedule of Contract Assets and Liabilities

The balance of contract assets and contract liabilities consisted of the following (in thousands):

	June 30, 2021		December 31, 2020
Contract assets
Current	$	2,015	$	1,238
	$	2,015	$	1,238
Contract liabilities
Current	$	1,167	$	953
Non-current		511		293
	$	1,678	$	1,246

	June 30, 2021
Estimate of when contract liabilities will be recognized as revenue:
Within 12 months	$	1,167
Within 12 to 24 months		511
Greater than 24 months		—