Quarterly report pursuant to Section 13 or 15(d)

9. Stock Options and Warrants (Details-Options by Exercise Price Per Share)

v3.5.0.2
9. Stock Options and Warrants (Details-Options by Exercise Price Per Share) - Options [Member] - $ / shares
 6 Months Ended
Jun. 30, 2016
Dec. 31, 2015
Outstanding Options    
Options outstanding 23,724,256 21,535,148
Life (Years), options outstanding 5 years 3 months 18 days  
Weighted Average Exercise Price, options outstanding $ .28 $ 0.30
Exercisable Options    
Options exercisable 21,473,729  
Weighted Average Exercise Price, options exercisable $ .29  
$ 0.21 - $ 0.99 [Member]    
Outstanding Options    
Options outstanding 23,573,810  
Life (Years), options outstanding 5 years 2 months 12 days  
Weighted Average Exercise Price, options outstanding $ .28  
Exercisable Options    
Options exercisable 21,323,283  
Weighted Average Exercise Price, options exercisable $ .29  
$ 1.00 - $ 1.99 [Member]    
Outstanding Options    
Options outstanding 150,446  
Life (Years), options outstanding 7 years 1 month 6 days  
Weighted Average Exercise Price, options outstanding $ 1.18  
Exercisable Options    
Options exercisable 150,446  
Weighted Average Exercise Price, options exercisable $ 1.18