REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Contract balances) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Costs incurred on uncompleted contracts	$ 421	$ 1,312
Estimated earnings on uncompleted contracts	265	1,485
Gross costs and estimated earnings	686	2,797
Less: Billings to date on uncompleted contracts	(314)	(2,695)
Costs incurred plus estimated earning less billings on uncompleted contracts, net	372	102
Included in the accompanying unaudited condensed consolidated balance sheets under the following captions:
Contract assets	418	352
Contract liabilities	(46)	(250)
Costs incurred plus estimated earning less billings on uncompleted contracts	$ 372	$ 102