Revenue (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Schedule of timing of revenue recognition

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
(Amounts in thousands)	2022		2021		2022		2021
Timing of revenue recognition:
Services and products transferred at a point in time	$	2,037	$	2,263	$	3,992	$	3,174
Services and products transferred over time		51		138		149		328
Total revenue	$	2,088	$	2,401	$	4,141	$	3,502

Schedule of revenue by products and services

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
(Amounts in thousands)	2022		2021		2022		2021
Revenue by products and services:
Products	$	2,037	$	2,040	$	3,992	$	2,671
Services		51		361		149		831
Total revenue	$	2,088	$	2,401	$	4,141	$	3,502

Schedule of revenue by geography

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
(Amounts in thousands)	2022		2021		2022		2021
Revenue by geography:
North America	$	1,944	$	1,340	$	3,493	$	2,085
International		144		1,061		648		1,417
Total revenue	$	2,088	$	2,401	$	4,141	$	3,502

Schedule of opening and closing balances of contract liabilities

(Amounts in thousands)	Total
Balance at December 31, 2021	$	3,415
New invoices not yet earned		1,880
Old invoices earned		(599	)
Balance at June 30, 2022	$	4,696