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Stock-Based Compensation (Details 3) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Number of awards        
Balance at beginning     434,451  
Granted 10,000 25,000 10,000 105,750
Expired/Forfeited     (7,325)  
Balance at ending 437,126   437,126  
Exercisable at ending 256,919   256,919  
Unvested at ending 180,207   180,207  
Weighted avg. exercise price per share        
Balance at beginning     $ 1.49  
Granted $ 1.71 $ 2.55 1.53  
Expired/Forfeited     1.83  
Balance at ending 1.46   1.46  
Exercisable at ending 1.21   1.21  
Unvested at ending 1.81   1.81  
Weighted avg. grant date fair value per share        
Balance at beginning     1.47  
Granted     1.71  
Expired/Forfeited     1.86  
Balance, ending 1.49   1.49  
Exercisable at ending 1.22   1.22  
Unvested at ending $ 1.88   $ 1.88  
Weighted avg. remaining contractual life (in years)        
Balance at beginning     6 years 10 months 28 days  
Granted     10 years  
Balance at ending     6 years 2 months 23 days  
Exercisable at ending     4 years 5 months 5 days  
Unvested at ending     8 years 9 months 11 days  
Aggregate intrinsic value        
Balance at beginning     $ 230,039  
Balance at ending $ 148,775   148,775  
Exercisable at ending $ 148,775   $ 148,775