Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of timing of revenue recognition

	For the Three Months Ended
	March 31,
(Amounts in thousands)	2022		2021
Timing of revenue recognition:
Services and products transferred at a point in time	$	3,131	$	1,896
Services and products transferred over time		98		190
Total revenue	$	3,229	$	2,086

Schedule of revenue by products and services

	For the Three Months Ended
	March 31,
(Amounts in thousands)	2022		2021
Revenue by products and services:
Products	$	3,131	$	1,619
Services		98		467
Total revenue	$	3,229	$	2,086

Schedule of revenue by geography

	For the Three Months Ended
	March 31,
(Amounts in thousands)	2022		2021
Revenue by geography:
North America	$	2,725	$	1,736
International		504		350
Total revenue	$	3,229	$	2,086

Schedule of opening and closing balances of contract liabilities

(Amounts in thousands)	Total
Balance at December 31, 2021	$	3,924
New invoices not yet earned		1,327
Old invoices earned		(631	)
Balance at March 31, 2022	$	4,620