Revenue

3 Months Ended

Mar. 31, 2022

Revenue [Abstract]

Revenue

6. Revenue

Disaggregation of Revenue - The disaggregation of revenue is based on geographical region. All revenue is recognized at the point in time when control is transferred to our clients. The following tables present revenue from contracts with customers for the three months ended March 31, 2022 and 2021 (in thousands):

	Three Months Ended March 31, 2022							Three Months Ended March 31, 2021
	United States		International			Total		United States		International		Total
Accessories and parts	$	2,132	$	(4	)	$	2,128	$	1,435	$	136	$	1,571
Product		691		16			707		41		212		253
License fees and other		8		9			17		33		5		38
Topic 606 Revenue	$	2,831	$	21		$	2,852	$	1,509	$	353	$	1,862
Rental income		343		-			343		254		-		254
Topic 842 Revenue	$	343	$	-		$	343	$	254	$	-	$	254
Total Revenue	$	3,174	$	21		$	3,195	$	1,763	$	353	$	2,116

Contract liabilities - As of March 31, 2022 and December 31, 2021 the Company has contract liabilities from contracts with customers as follows (in thousands):

	March 31, 2022			December 31, 2021
Service agreements	$	361		$	137
Deposit on future equipment purchases		-			204
Total contract liabilities		361			341
Less: current portion		(58	)		(48	)
Non-current contract liabilities	$	303		$	293

During the three months ended March 31, 2022 and 2021 the Company recognized revenue related to these contract liabilities of $8 thousand in both 2022 and 2021, respectively, that were included in the beginning contract liability balances for each of those periods.

The following table summarizes the changes in contract liabilities during the three months ended March 31, 2022 (in thousands):

	Three Months ended March 31, 2022			Three Months ended March 31, 2021
Beginning balance	$	341		$	69
New service agreement additions		28			1
Deposit on future equipment purchases		-			125
Revenue recognized		(8	)		(8	)
Total contract liabilities		361			187
Less current portion		(58	)		(32	)
Non-current contract liabilities	$	303		$	155