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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2019
Equity [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity

The following table summarizes the stock option activity for the year ended December 31, 2019 and 2018.

 

         

Weighted-

Average

Exercise

   

Weighted-

Average

Remaining

Contractual

Life

 
    Options     Price     (Years)  
                   
Outstanding at December 31, 2017     315,167     $ 2.46          
Granted     -                  
Forfeited/cancelled     (197,492 )                
Outstanding at December 31, 2018     117,675     $ 2.57          
Granted     -                  
Forfeited/cancelled     (11,598 )                
Exercised     -                  
Outstanding at December 31, 2019     106,077     $ 2.77       1.53  
                         
Vested and expected to vest at December 31, 2019     106,077     $ 2.77       1.53  
                         
Exercisable at December 31, 2019     106,077     $ 2.77       1.53  

Schedule of Share-based Compensation, Shares Authorized Under Stock Option Plans, by Exercise Price Range

The following table summarizes information about stock options outstanding and exercisable as of December 31, 2019.

 

      Options Outstanding     Options Exercisable  
                  Weighted-           Weighted-  
Range of           Average     Average           Average  
Exercise     Number     Remaining     Exercise     Number     Exercise  
Price     of Shares     Life (Years)     Price     of Shares     Price  
                                 
$ 0.75 - 1.00       27,527       0.56     $ 0.82       27,527     $ 0.82  
  1.79 - 4.00       63,684       1.87       3.21       63,684       3.21  
  4.20 - 6.68       14,866       1.90       4.46       14,866       4.46  
          106,077                       106,077          

Schedule of Warrants Outstanding

The following summarized changes in the number of warrants outstanding for the year ended December 31, 2019 and 2018.

 

    Warrants  
       
Outstanding at December 31, 2017     698,119  
Granted     564,556  
Repurchase     (52,755 )
Forfeited/cancelled     (587,008 )
Outstanding at December 31, 2018     622,912  
Granted     -  
Forfeited/cancelled     (111,111 )
Exercised     (30,466 )
Outstanding at December 31, 2019     481,335