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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Compensation Related Costs [Abstract]  
Schedule of Compensation Based Stock Option Activity

Compensation based stock option activity for qualified and unqualified stock options are summarized as follows:

 

          Weighted  
          Average  
    Shares     Exercise Price  
Outstanding at December 31, 2018     6,785,617     $ 0.75  
Granted/Additions     -       -  
Exercised     -       -  
Expired or canceled     (640,573 )     0.62  
Outstanding at December 31, 2019     6,145,044     $ 0.75  

Schedule of Options to Purchase Shares of Common Stock Outstanding and Exercisable

The following table summarizes information about options to purchase shares of the Company’s Common Stock outstanding and exercisable at December 31, 2019:

 

            Weighted-     Weighted-        
            Average     Average        
      Outstanding     Remaining Life     Exercise     Number  
Exercise prices     Options     In Years     Price     Exercisable  
                           
$ 0.22       2,524,513       8.48     $ 0.22       2,524,513  
  0.38       1,162,500       7.04       0.375       1,162,500  
  0.51       242,966       7.45       0.51       242,966  
  0.58       271,224       6.82       0.58       271,224  
  0.73       1,025,000       6.23       0.73       1,025,000  
  1.37       150,000       5.56       1.37       150,000  
  1.43       525,000       5.41       1.43       525,000  
  2.60       5,280       4.51       2.60       5,280  
  2.79       9,760       4.01       2.79       9,760  
  2.95       150,000       4.38       2.95       150,000  
  11.88       2,359       2.01       11.88       2,359  
  15.00       75,000       5.41       15.00       75,000  
  19.80       1,442       1.84       19.80       1,442  
          6,145,044       7.12     $ 0.75       6,145,044  

Schedule of Warrants Activity

The issuance of warrants to purchase shares of the Company’s Common Stock including those attributed to debt issuances are summarized as follows:

 

          Weighted-  
          Average  
    Shares     Exercise Price  
Outstanding at December 31, 2018     24,380,893     $ 1.05  
Expired or cancelled     (4,865,106 )     2.82  
Outstanding at December 31, 2019     19,515,787     $ 0.60  

 

          Weighted-  
          Average  
    Shares     Exercise Price  
Outstanding at December 31, 2017     9,625,393     $ 2.55  
Granted     16,362,500       0.38  
Expired or cancelled     (1,607,000 )     3.35  
Outstanding at December 31, 2018     24,380,893     $ 1.05  

Schedule of Warrants Outstanding and Exercisable

The following table summarizes information about warrants outstanding and exercisable at December 31, 2019:

 

    Outstanding and exercisable  
          Weighted-     Weighted-        
          Average     Average        
    Number     Remaining Life     Exercise     Number  
Exercise Price   Outstanding     in Years     Price     Exercisable  
                         
$ 0.20   1,487,500     3.33     $ 0.20     1,487,500  
  0.40     14,875,000       0.38       0.40       14,875,000  
  1.71     2,919,710       0.23       1.71       2,919,710  
  2.13     233,577       0.22       2.13       233,577  
        19,515,787       0.58     $ 0.60       19,515,787