LEASES (Details - Operating Lease Expense) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Short term lease expense	$ 309	$ 194
Total lease expense	$ 1,737	$ 1,310
Weighted average remaining lease (years) terms on operating leases	1 year 5 months 4 days	2 years 5 months 4 days
Weighted average discount rates on operating leases	5.374%	5.374%
Cost of Sales [Member]
Operating lease expense	$ 1,259	$ 977
Selling, General and Administrative Expenses [Member]
Operating lease expense	$ 169	$ 139