9. Income Taxes (Details - Tax Reconciliation) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Expense (benefit) computed at statutory rate									$ 187	$ (2,059)
Change in valuation allowance - Foreign									(30)	1,703
Effect of items deductible for book not tax, net
Share based compensation									40	45
Other									5	5
Effect of foreign tax credit									11	34
Effect of foreign tax rate differential									(109)	578
State income taxes, net of Federal benefit									3	4
Income Tax Expense (Benefit)	$ (58)	$ 142	$ (52)	$ 75	$ 442	$ 22	$ (73)	$ (81)	$ 107	$ 310