9. Income Taxes (Details - Components of Tax Expense) - USD ($)	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
Current
Federal									$ 0	$ 0
State									4,000	5,000
Foreign									247,000	(73,000)
Total Income Tax Expense (Benefit)									251,000	(68,000)
Deferred
Federal									(140,000)	(318,000)
State									0	0
Foreign									(4,000)	696,000
Total Income Tax Expense (Benefit)									(144,000)	378,000
Total
Federal									(140,000)	(318,000)
State									4,000	5,000
Foreign									243,000	623,000
Income Tax Expense (Benefit)	$ (58,000)	$ 142,000	$ (52,000)	$ 75,000	$ 442,000	$ 22,000	$ (73,000)	$ (81,000)	$ 107,000	$ 310,000