LEASES (Details - Minimum lease payments) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Short term lease expense	$ 97	$ 37	$ 210	$ 124
Total lease expense	445	334	1,299	883
Cost of Sales [Member]
Operating lease expense	313	271	946	659
Selling, General and Administrative Expenses [Member]
Operating lease expense	$ 35	$ 26	$ 143	$ 100