2. LEASES (Details - Operating lease info) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Right of use operating lease assets	$ 3,174	$ 4,334
Current lease liabilities	1,261	1,181
Non-current lease liabilities	1,951	3,180
Total lease liabilities	$ 3,212	$ 4,361