REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Contract balances) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Costs incurred on uncompleted contracts	$ 3,980	$ 2,575
Estimated earnings on uncompleted contracts	890	399
Estimated loss on uncompleted contracts	(59)	(130)
Gross costs and estimated earnings	4,811	2,844
Less: Billings to date on uncompleted contracts	(4,521)	(3,741)
Costs incurred plus estimated earning less billings on uncompleted contracts, net	290	(897)
Included in the accompanying unaudited condensed consolidated balance sheets under the following captions:
Contract assets	2,023	480
Contract liabilities	(1,733)	(1,377)
Costs incurred plus estimated earning less billing on uncompleted contracts	$ 290	$ (897)