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Shareholders' Equity (Deficit) (Tables)
12 Months Ended
Dec. 31, 2020
Shareholders' Equity (Deficit) (Tables) [Line Items]  
Schedule of common stock issuable
   December 31, 2020   December 31, 2019 
   Amount   Shares   Amount   Shares 
                 
Shares issuable to consultants, employees and directors  $262,273    2,150,020   $100,538    568,142 
Shares issuable pursuant to stock subscriptions received   ---    ---    59,000    479,762 
   $262,273    2,150,020   $159,538    1,047,904 
Schedule of stock warrants
   2020       2019 
       Weighted       Weighted 
       Average       Average 
       Exercise       Exercise 
   Number   Price   Number   Price 
Outstanding at beginning of the period   47,056,293   $0.17    46,161,463   $0.18 
Granted during the period   3,582,873   $0.20    5,864,843   $0.22 
Contractual adjustments to number of warrant shares during the period   1,949,535   $0.08    ---   $--- 
Exercised during the period   (1,185,715)  $(0.07)   (4,970,013)  $(0.00)
Expired during the period   (50,000)  $0.40    ---   $--- 
Outstanding at end of the period   51,352,986   $0.17    47,056,293   $0.21 
                     
Exercisable at end of the period   51,352,986   $0.17    47,056,293   $0.21 
                     
Weighted average remaining life   3.1    years    3.0    years 
Schedule of stock options outstanding
   2020   2019 
       Weighted       Weighted 
       Average       Average 
       Exercise       Exercise 
   Number   Price   Number   Price 
Outstanding at beginning of the period   3,269,250   $0.21    3,707,996   $0.80 
Granted during the period   60,000   $0.09    1,078,750   $0.26 
Exercised during the period   ---   $---    (154,166)  $(0.20)
Forfeited during the period   (217,500)  $(0.26)   (1,363,330)  $(0.18)
Outstanding at end of the period   3,111,750   $0.20    3,269,250   $0.21 
                     
Options exercisable at period-end   2,067,375         1,633,000      
Weighted average remaining life (in years)   6.7         7.7      
Weighted average grant date fair value of options granted during the period  $0.07        $0.20      
Options available for grant at period-end   9,805,903         10,360,368      
Schedule of fair value of the warrant
   2020  2019
       
Pricing model utilized  Binomial Lattice  Black/Scholes
Risk free rate range  0.19% to 1.59%  1.54% to 2.52%
Expected life range (in years)  5.00 years  3.00 to 5.00
Volatility range  119.69% to 132.19%  118.60% to 216.35%
Dividend yield  0.00%  0.00%
Schedule of stock warrants outstanding
   2020   2019 
Outstanding at beginning of the period   1,874,063    1,738,750 
Granted during the period   791,465    135,313 
Forfeited during the period   (62,500)   --- 
Outstanding at end of the period   2,603,028    1,874,063 
           
Shares vested at period-end   2,403,528    1,535,313 
Weighted average grant date fair value of shares granted during the period  $0.13   $0.26 
Aggregate grant date fair value of shares granted during the period  $18,760   $12,805 
Shares available for grant pursuant to EIP at period-end   9,788,403    10,360,368 
Employee Equity Incentive Plan [Member]  
Shareholders' Equity (Deficit) (Tables) [Line Items]  
Schedule of shares issued and outstanding under the EIP outstanding
   2020   2019 
       Weighted       Weighted 
       Average       Average 
       Grant Date       Grant Date 
   Shares   Fair Value   Shares   Fair Value 
Nonvested at beginning of period   332,500   $0.17    540,000   $0.16 
Granted   791,965   $0.13    ---   $--- 
Vested   (836,965)  $(0.15)   (207,500)  $(0.14)
Forfeited   (87,500)  $0.06    ---   $--- 
Nonvested at end of period   200,000   $0.17    332,500   $0.17 
Employee Stock [Member]  
Shareholders' Equity (Deficit) (Tables) [Line Items]  
Schedule of stock warrants 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    5.0   $0.08    1,283,000    0.08 
$0.11 to 0.31    1,828,750    7.9   $0.28    784,375    0.30 
$0.08 to 0.31    3,111,750    6.7   $0.20    2,067,375   $0.16 
Schedule of non-vested shares issued
   2020   2019 
       Weighted       Weighted 
       Average       Average 
       Grant Date       Grant Date 
   Shares   Fair Value   Shares   Fair Value 
Nonvested at beginning of period   1,636,250   $0.22    2,332,413   $0.13 
Granted   60,000   $0.07    1,078,750   $0.20 
Vested   (491,875)  $(0.21)   (414,583)  $(0.19)
Forfeited   (160,000)  $(0.21)   (1,360,330)  $(0.07)
Nonvested at end of period   1,044,375   $0.21    1,636,250   $0.22 
Warrant [Member]  
Shareholders' Equity (Deficit) (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    15,708,376    3.8   $0.07    15,708,376   $0.07 
$0.10 to 0.24    21,805,216    2.7   $0.18    21,805,216   $0.18 
$0.25 to 0.49    9,899,394    3.5   $0.28    9,899,394   $0.28 
$0.50 to 1.00    3,940,000    1.2   $0.28    3,940,000   $0.28 
$0.05 to 1.00    51,352,986    3.1   $0.17    51,352,986   $0.17