REVENUE FROM CONTRACTS WITH CUSTOMERS (Details - Contract balances) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Costs incurred on uncompleted contracts	$ 796	$ 342
Estimated earnings on uncompleted contracts	364	465
Gross costs and estimated earnings	1,160	807
Less: Billings to date on uncompleted contracts	(2,046)	(859)
Costs incurred plus estimated earning less billings on uncompleted contracts, net	(886)	(52)
Included in the accompanying unaudited condensed consolidated balance sheets under the following captions:
Contract assets	54	281
Contract liabilities	(940)	(333)
Costs incurred plus estimated earning less billings on uncompleted contracts	$ (886)	$ (52)