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8. Stock Options and Warrants (Tables)
6 Months Ended
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Stock options outstanding
    Options   Weighted
Avg. Exercise
Price
 
 January 1, 2017    23,474,256   $0.28 
 Granted    11,839,285    0.12 
 Exercised         
 Forfeited         
 June 30, 2017    35,313,541   $0.23 
Options outstanding by Per Share Price
      Outstanding Options    Exercisable Options 
 Option
Exercise Price
Per Share
    Shares    Life
(Years)
    Weighted
Average Exercise
Price
    Shares    Weighted
Average Exercise
Price
 
 $ 0.05 - $ 0.99    35,163,095    6.1   $0.22    29,017,262   $0.23 
 $ 1.00 - $ 1.99    150,446    6.1   $1.18    150,446   $1.18 
      35,313,541    6.1   $0.23    29,167,708   $0.23 
Warrants outstanding
    Warrants   Weighted Avg.
Exercise Price
 
 January 1, 2017    11,446,892   $0.15 
 Granted    16,160,770    0.05 
 Exercised         
 Cancelled    (5,495,392)   0.13 
 June 30, 2017    21,507,270   $0.08 
Warrants outstanding by Per Share Price
      Outstanding Warrants    Exercisable Warrants 
 Warrant Exercise Price Per Share    Shares    Life
(Years)
    Weighted
Average Exercise Price
    Shares    Weighted
Average Exercise Price
 
 $ 0.05 - $ 0.99    21,507,270    1.1   $0.08    21,407,270   $0.08 
 $ 1.00 - $ 1.99                     
      21,507,270    1.1   $0.08    21,407,270   $0.08