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8. Stock Options and Warrants (Tables)
3 Months Ended
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Stock options outstanding
    Options   Weighted
Avg. Exercise
Price
 
January 1, 2020    39,750,603   $0.20 
Granted    2,699,998   $0.14 
Exercised    (60,000)  $0.05 
Forfeited       $ 
March 31, 2020    42,390,601   $0.20 
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 - $0.24   20,855,551    7.6   $0.10    18,880,553   $0.10 
$0.25 - $0.49   20,913,552    2.0    0.27    20,913,552    0.27 
$0.50 - $0.99   471,052    4.1    0.85    471,052    0.85 
$1.00 - $2.00   150,446    3.3    1.18    150,446    1.18 
    42,390,601    4.8    0.20    40,415,603    0.20 
Warrants outstanding
   Warrants   Weighted Avg.
Exercise Price
 
January 1, 2020   13,065,084   $0.11 
Granted   649,999    0.04 
Exercised   (1,155,000)   0.05 
Cancelled   (5,810,200)   0.05 
March 31, 2020   6,749,883   $0.17 
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 - $0.24     4,679,883       0.7     $ 0.10       4,646,550     $ 0.11  
$0.25 - $0.49     2,000,000       1.6       0.30       2,000,000       0.30  
$0.50 - $1.00     70,000       4.1       0.80       70,000       0.80  
      6,749,883       1.0       0.17       6,716,550       0.17