Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue From Contract With Customer [Abstract]

Schedule of Revenues Generated from Geographic Regions

Revenues generated from the following geographic regions for the three months ended March 31, 2022 and 2021 were (in thousands):

	Three Months Ended March 31,
	2022		2021
United States	$	2,036	$	2,223
United Kingdom		377		679
Rest of World		2,279		1,517
	$	4,692	$	4,419

Schedule of Revenue by Timing of Transfer of Goods or Services

Revenue by timing of transfer of goods or services for the three months ended March 31, 2022 and 2021 were (in thousands):

	Three Months Ended March 31,
	2022		2021
Goods or services transferred at a point in time	$	2,693	$	2,408
Goods or services transferred over time		1,999		2,011
	$	4,692	$	4,419

Schedule of Revenue by Contract Type

Revenue by contract type for the three months ended March 31, 2022 and 2021 were (in thousands):

	Three Months Ended March 31,
	2022		2021
License and service contracts	$	3,331	$	3,634
Subscription-based contracts		1,361		785
	$	4,692	$	4,419

Schedule of Changes in Contract Assets and Liabilities

The following tables present changes in our contract assets and liabilities during the three months ended March 31, 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 March 31, 2021
Contract assets:
Unbilled receivables	$	2,229	$	690	$	(473	)	$	2,446
Three months ended March 31, 2022
Contract assets:
Unbilled receivables	$	3,087	$	1,486	$	(1,398	)	$	3,175

	Balance at Beginning of Period		Billings		Revenue Recognized			Balance at End of Period
Three months ended March 31, 2021
Contract liabilities:
Deferred revenue	$	3,933	$	1,435	$	(1,825	)	$	3,543
Three months ended March 31, 2022
Contract liabilities:
Deferred revenue	$	3,740	$	1,221	$	(1,661	)	$	3,300