REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

9 Months Ended

Sep. 30, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue - Contract Revenue

	Three Months Ended
	September 30,
	2021		2020
Fixed Price Contracts	$	1,866	$	2,522
Service Contracts		1,684		614
Total	$	3,550	$	3,136

		Nine Months Ended
		September 30,
		2021		2020
Fixed Price Contracts	$	5,170	$	6,338
Service Contracts		6,830		3,128
Total	$	12,000	$	9,466

Schedule of earnings in excess of billings on uncompleted contracts

	September 30, 2021			December 31, 2020
Costs incurred on uncompleted contracts	$	3,174		$	2,098
Estimated earnings on uncompleted contracts		4,216			3,153
Gross costs and estimated earnings		7,390			5,251
Less: Billings to date on uncompleted contracts		(7,776	)		(5,792	)
Costs incurred plus estimated earning less billings on uncompleted contracts	$	(386	)	$	(541	)
Included in the accompanying unaudited condensed consolidated balance sheets under the following captions:
Contract assets	$	92		$	189
Contract liabilities		(478	)		(730	)
Costs incurred plus estimated earning less billings on uncompleted contracts	$	(386	)	$	(541	)