Annual report pursuant to Section 13 and 15(d)

11. STOCK-BASED COMPENSATION (Details - Assumptions)

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11. STOCK-BASED COMPENSATION (Details - Assumptions) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Employees [Member]    
Volatility 87.63% 89.16%
Risk-free interest rate 1.47% 1.57%
Expected term 5 years 8 months 5 days 5 years 3 months 18 days
Dividend rate 0.00% 0.00%
Fair value per share on grant date $ .27 $ .49
Employees [Member] | Options Outside the Amended 2013 Plan [Member]    
Volatility 88.11%  
Risk-free interest rate 1.22%  
Expected term 5 years  
Dividend rate 0.00%  
Fair value per share on grant date $ 0.29  
Non-Employees [Member]    
Volatility 90.38% 96.68%
Risk-free interest rate 1.37% 2.12%
Expected term 10 years 10 years
Dividend rate 0.00% 0.00%
Fair value per share on grant date $ .32 $ 1.68