REVENUE (Details - Contract assets and liabilities) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Statement [Line Items]
Total contract assets	$ 1,439,844	$ 485,825
Total contract liabilities	2,215,212	6,019,371
Contract Asset [Member]
Statement [Line Items]
Costs and estimated earnings in excess of billings on uncompleted contracts	1,439,844	485,825
Contract Liability [Member]
Statement [Line Items]
Billings in excess of costs and estimated earnings on uncompleted contracts	$ 2,215,212	$ 6,019,371