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Shareholders' Equity (Tables)
3 Months Ended
Mar. 31, 2021
Shareholders' Equity (Tables) [Line Items]  
Schedule of common stock issuable
   March 31, 2021   December 31, 2020 
   Amount   Shares   Amount   Shares 
                 
Shares issuable to consultants, employees and directors  $361,817    

2,178,770

   $262,273    2,150,020 
Shares issuable pursuant to warrant exercise   62,500    625,000         
   $424,317  

2,803,770

   $262,273    2,150,020 
Schedule of stock warrants
   2021   2020 
       Weighted       Weighted 
       Average       Average 
       Exercise       Exercise 
   Number   Price   Number   Price 
Outstanding at beginning of the period   51,352,986   $0.14    47,056,293   $0.21 
Granted during the period   19,585,790   $0.34    1,277,474   $0.23 
Exercised during the period   (11,196,742)  $(0.06)      $ 
Outstanding at end of the period   59,742,034   $0.22    48,333,767   $0.21 
                     
Exercisable at end of the period   59,742,034   $0.22    45,058,874   $0.21 
                     
Weighted average remaining life   3.7 years    3.5 years 
Schedule of fair value of the warrant
   Three Months Ended
March 31,
   2021  2020
       
Pricing model utilized  Binomial Lattice  Binomial Lattice
Risk free rate range  0.38% to 0.86%  1.38% to 1.59%
Expected life range (in years)  3.00 to 5.00 years  5.00 years
Volatility range  170.58% to 193.21%  119.69% to 124.02%
Dividend yield  0.00%  0.00%
Schedule of shares issued and outstanding under the EIP outstanding
   2021   2020 
Outstanding at beginning of the period   2,603,528    1,874,063 
Granted during the period   87,500    207,500 
Forfeited during the period   (2,500)   (62,500)
Outstanding at end of the period   2,688,528    2,019,063 
           
Shares vested at period-end   2,488,528    1,700,313 
Weighted average grant date fair value of shares granted during the period  $0.11   $0.10 
Aggregate grant date fair value of shares granted during the period  $4,050   $17,000 
Shares available for grant pursuant to EIP at period-end   9,748,402    10,275,368 
Employee Equity Incentive Plan [Member]  
Shareholders' Equity (Tables) [Line Items]  
Schedule of stock options outstanding
   2021   2020 
       Weighted       Weighted 
       Average       Average 
       Exercise       Exercise 
   Number   Price   Number   Price 
Outstanding at beginning of the period   3,111,750   $0.20    3,269,250   $0.21 
Granted during the period      $    20,000   $0.11 
Exercised during the period   (12,500)  $(0.25)      $ 
Forfeited during the period   (32,500)  $(0.16)   (80,000)  $(0.26)
Outstanding at end of the period   3,066,750   $0.20    3,209,250   $0.20 
                     
Options exercisable at period-end   2,276,750         1,926,125      
Weighted average remaining life (in years)   6.4         7.4      
Weighted average grant date fair value of options granted during the period  $        $0.08      
Options available for grant at period-end   9,823,402         10,275,368      
Schedule of nonvested shares issued
   2021   2020 
       Weighted       Weighted 
       Average       Average 
       Grant Date       Grant Date 
   Shares   Fair Value   Shares   Fair Value 
Nonvested at beginning of period   200,000   $0.17    332,500   $0.17 
Granted   87,500   $0.11    207,500   $0.10 
Vested   (87,500)  $0.12    (158,750)  $0.08 
Forfeited      $    (62,500)  $0.07 
Nonvested at end of period   200,000   $0.16    318,750   $0.19 
Employee Stock [Member]  
Shareholders' Equity (Tables) [Line Items]  
Schedule of stock options outstanding
Options Outstanding   Options Exercisable 
        Weighted-             
        Average   Weighted-       Weighted- 
        Remaining   Average       Average 
Exercise   Number   Contractual   Exercise   Number   Exercise 
 Prices   Outstanding   Life (years)   Price   Exercisable   Price 
$— to 0.10    1,283,000    4.7   $0.08    1,283,000    0.08 
$ 0.11 to 0.31    1,783,750    7.6   $0.28    993,750    0.29 
$ 0.08 to 0.31    3,066,750    6.4   $0.20    2,276,750   $0.17 
Schedule of nonvested shares issued
   2021   2020 
       Weighted       Weighted 
       Average       Average 
       Grant Date       Grant Date 
   Shares   Fair Value   Shares   Fair Value 
Nonvested at beginning of period   1,044,375   $0.21    1,636,250   $0.22 
Granted      $    20,000   $0.08 
Vested   (225,000)  $0.21    (293,125)  $0.20 
Forfeited   (29,375)  $0.12    (80,000)  $0.21 
Nonvested at end of period   790,000   $0.22    1,283,125   $0.22 
Warrant [Member]  
Shareholders' Equity (Tables) [Line Items]  
Schedule of stock options outstanding
Warrants Outstanding   Warrants Exercisable 
        Weighted-            
        Average  Weighted-       Weighted- 
        Remaining  Average       Average 
Exercise   Number   Contractual  Exercise   Number   Exercise 
 Prices   Outstanding   Life (years)  Price   Exercisable   Price 
$0.0001 to 0.09    15,067,351   3.7  $0.07    15,067,351   $0.07 
$0.10 to 0.24    11,549,499   2.8  $0.16    11,549,499   $0.16 
$0.25 to 0.49    28,560,496   4.3  $0.31    28,560,496   $0.31 
$0.50 to 1.00    4,564,688  2.3  $0.34    4,564,688   $0.34 
$0.05 to 1.00    59,742,034  3.7  $0.22    59,742,034   $0.22