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Stock Options and Warrants (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Stock options outstanding
          
   Options  

Weighted Avg.

Exercise Price

 
Options outstanding, December 31, 2019   39,750,603   $0.20 
Options granted   3,599,998    0.12 
Options exercised   (60,000)   0.05 
Options cancelled   (10,810,000)   0.25 
Options outstanding, December 31, 2020   32,480,601   $0.18 
Options granted   800,000    0.03 
Options exercised        
Options cancelled   (2,200,000)   0.30 
Options outstanding, December 31, 2021   31,080,601   $0.17 
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
 
$ 0.02 - $ 0.24     22,305,551       6.1     $ 0.10       22,305,551     $ 0.10  
$ 0.25 - $ 0.49     8,153,552       2.0       0.30       8,153,552       0.30  
$ 0.50 - $ 0.99     471,052       2.3       0.85       471,052       0.85  
$ 1.00 - $ 2.00     150,446       1.6       1.18       150,446       1.18  
      31,080,601       4.9     $ 0.17       31,080,601     $ 0.17  
Assumptions used for option valuation
          
   Years Ended 
   2021   2020 
Expected life (years)   4.9    5.5 
Risk free interest rate   1.3%    1.7% 
Volatility   148%    138% 
Expected dividend yield   0%    0% 
Warrants outstanding
          
   Warrants  

Weighted Avg.

Exercise Price

 
Warrants outstanding, December 31, 2019   13,065,084   $0.11 
Warrants granted   6,117,013    0.03 
Warrants exercised   (1,155,000)   0.05 
Warrants cancelled   (9,343,420)   0.07 
Warrants outstanding, December 31, 2020   8,683,677   $0.11 
Warrants granted   19,307,153    0.04 
Warrants exercised        
Warrants cancelled   (8,013,681)   0.10 
Warrants outstanding, December 31, 2021   19,977,149   $0.04 
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
 
$ 0.02 - $ 0.24     19,907,149       0.7     $ 0.04       19,873,816     $ 0.04  
$ 0.25 - $ 0.49                              
$ 0.50 - $ 1.00     70,000       2.3       0.80       70,000       0.80  
      19,977,149       0.7     $ 0.04       19,943,816     $ 0.04