4. INCOME TAXES (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at U.S. federal statutory rates	$ 16,000	$ (85,000)
Impact of 2017 Tax Act	0	377,000
Foreign rate change impacts	70,000	(163,000)
Foreign rate differential	0	(7,000)
Change in valuation allowance	(88,000)	(101,000)
Other	2,000	(21,000)
Income tax expense	$ 0	$ 0