2. LEASES: ADOPTION OF ASC 842, LEASES (Details - Operating lease info) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Jan. 02, 2019	Dec. 31, 2018
Right of use operating lease assets	$ 4,626	$ 4,626	$ 5,707	$ 0
Current lease liabilities	1,167	1,167	1,215	0
Non-current lease liabilities	3,481	3,481	4,492	$ 0
Total lease liabilities	4,648	4,648	$ 5,707
Components of lease expense
Short term lease expense	41	278
Total lease expense	$ 408	1,389
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$ (1,111)
Right of use assets obtained in exchange for new operating liabilities
Weighted average remaining lease (years) terms on operating leases	3 years 8 months 9 days	3 years 8 months 9 days	4 years 6 months
Weighted average discount rates on operating leases	5.374%	5.374%	5.374%
Cost of Sales [Member]
Components of lease expense
Operating lease expense	$ 312	$ 926
Selling, General and Administrative Expenses [Member]
Components of lease expense
Operating lease expense	$ 55	$ 185