2. LEASES: ADOPTION OF ASC 842, LEASES (Details - Operating lease info) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jan. 02, 2019	Dec. 31, 2018
Right of use asset	$ 5,094	$ 5,094	$ 5,707	$ 0
Current lease liabilities	1,254	1,254	1,215	0
Non-current lease liabilities	3,857	3,857	4,492	$ 0
Total lease liabilities	$ 5,111	5,111	$ 5,707
Components of lease expense
Short term lease expense		172
Total lease expense		237
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases		$ 741
Right of use assets obtained in exchange for new operating liabilities
Weighted average remaining lease (years) terms on operating leases	3 years 9 months 18 days	3 years 9 months 18 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	$ 308	$ 614
Selling, General and Administrative Expenses [Member]
Components of lease expense
Operating lease expense	$ 64	$ 130