7. INCOME TAXES (Details - Tax rates)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income tax benefit (expense) at federal statutory rate	21.00%	34.00%
State taxes, net of federal expense	(0.10%)	2.52%
Valuation allowance	(25.08%)	1662.43%
Remeasure deferred taxes from 34% to 21%	0.00%	(1710.52%)
Research and development credits	3.87%	2.21%
Other permanent differences	(0.31%)	(15.63%)
Other , net	0.42%	20.84%
Total effective rate	(0.20%)	(4.15%)