1. Leases (Details - Cash flow) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 1,926	$ 1,886
Operating cash flows from finance leases	231	0
Financing cash flows from finance leases	$ 46	$ 0