LEASES (Details - Minimum lease payments) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Short term lease expense	$ 68	$ 53	$ 113	$ 87
Total lease expense	419	147	854	549
Cost of Sales [Member]
Operating lease expense	316	80	633	388
Selling, General and Administrative Expenses [Member]
Operating lease expense	$ 35	$ 14	$ 108	$ 74