Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue From Contract With Customer [Abstract]

Schedule of Revenues Generated from Geographic Regions

Revenues generated from the following geographic regions for the three and six months ended June 30, 2022 and 2021 were (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
United States	$	2,274	$	2,445	$	4,310	$	4,668
United Kingdom		385		774		762		1,453
Germany	$	635	$	56	$	653	$	124
Rest of World		944		989		3,205		2,437
	$	4,238	$	4,264	$	8,930	$	8,682

Schedule of Revenue by Timing of Transfer of Goods or Services

Revenue by timing of transfer of goods or services for the three and six months ended June 30, 2022 and 2021 were (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Goods or services transferred at a point in time	$	2,020	$	1,614	$	4,713	$	4,021
Goods or services transferred over time		2,218		2,650		4,217		4,661
	$	4,238	$	4,264	$	8,930	$	8,682

Schedule of Revenue by Contract Type

Revenue by contract type for the three and six months ended June 30, 2022 and 2021 were (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
License and service contracts	$	3,884	$	3,927	$	7,215	$	7,561
Subscription-based contracts		354		337		1,715		1,121
	$	4,238	$	4,264	$	8,930	$	8,682

Schedule of Changes in Contract Assets and Liabilities

The following tables present changes in our contract assets and liabilities during the three and six months ended June 30, 2022 and 2021 (in thousands):

	Balance at Beginning of Period		Revenue Recognized In Advance of Billings		Billings			Balance at End of Period
Three months ended June 30, 2021
Contract assets:
Unbilled receivables	$	2,482	$	1,389	$	(1,004	)	$	2,867
Three months ended June 30, 2022
Contract assets:
Unbilled receivables	$	3,175	$	1,515	$	(1,260	)	$	3,430
	Balance at Beginning of Period		Billings		Revenue Recognized			Balance at End of Period
Three months ended June 30, 2021
Contract liabilities:
Deferred revenue	$	3,543	$	1,173	$	(1,769	)	$	2,947
Three months ended June 30, 2022
Contract liabilities:
Deferred revenue	$	3,300	$	2,052	$	(1,819	)	$	3,533

	Balance at Beginning of Period		Revenue Recognized In Advance of Billings		Billings			Balance at End of Period
Six months ended June 30, 2021
Contract assets:
Unbilled receivables	$	2,229	$	2,079	$	(1,441	)	$	2,867
Six months ended June 30, 2022
Contract assets:
Unbilled receivables	$	3,087	$	3,001	$	(2,658	)	$	3,430
	Balance at Beginning of Period		Billings		Revenue Recognized			Balance at End of Period
Six months ended June 30, 2021
Contract liabilities:
Deferred revenue	$	3,933	$	2,608	$	(3,594	)	$	2,947
Six months ended June 30, 2022
Contract liabilities:
Deferred revenue	$	3,740	$	3,274	$	(3,481	)	$	3,533