Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2021

Revenue from Contract with Customer [Abstract]

Schedule of contract liability

	June 30, 2021			December 31, 2020
Balance at beginning of period	$	177		$	516
Additions		1,658			353
Revenue recognized		(665	)		(692	)
Balance at end of period	$	1,170		$	177