LEASES (Details - Cash flow effect) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating cash flow information:
Cash paid for amounts included in the measurement of operating lease liabilities	$ 54	$ 36	$ 108	$ 38
Cash paid for amounts included in the measurement of financing liabilities	359	0	718	0
Non-cash activity:
Right-of-use assets obtained in exchange for operating lease obligations	$ 0	$ 0	$ 0	$ 382