Quarterly report pursuant to Section 13 or 15(d)

8. Stock options and Warrants (Details Narrative)

v3.8.0.1
8. Stock options and Warrants (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Valuation assumptions        
Share-based compensation     $ 653,000 $ 358,000
Proceeds from exercise of warrants     $ 362,000 0
Options [Member]        
Options granted, shares     12,561,852  
Valuation assumptions        
Options vested, share based compensation expense $ 117,000 $ 84,000 $ 653,000 265,000
Share-based compensation     265,448  
Aggregate intrinsic value of options outstanding 3,042,000   3,042,000  
Future unamortized compensation expense on unvested outstanding options 295,000   $ 295,000  
Stock issued for exercise of stock options, shares     271,752  
Proceeds from exercise of options     $ 25,000  
Options [Member] | Board of Directors [Member]        
Options granted, shares     8,339,285  
Fair value of options at grant date     $ 909,000  
Valuation assumptions        
Expected life     5 years  
Risk free interest rate     1.94%  
Volatility, minimum     123.00%  
Volatility, maximum     144.00%  
Expected dividend yield     0.00%  
Options [Member] | Two Officers and Employees [Member]        
Options granted, shares     4,222,567  
Fair value of options at grant date     $ 246,000  
Valuation assumptions        
Options vested, share based compensation expense     308,000  
Warrants [Member]        
Valuation assumptions        
Share-based compensation 2,000 $ 21,000 $ 1,000 $ 108,000
Warrants granted     16,160,770  
Warrant exercise price     $ 0.05  
Aggregate intrinsic value of warrants outstanding 3,638,000   $ 3,638,000  
Future unamortized compensation expense on unvested outstanding warrants $ 1,000   $ 1,000  
Stock issued for exercise of warrants, shares     3,974,000  
Proceeds from exercise of warrants     $ 337,000