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Stock Options and Warrants (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Jul. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Stock Options and Warrants (Textual)      
Stock compensation expense   $ 293,000 $ 332,000
Unrecognized compensation cost related to non-vested stock option awards   $ 98,000  
Unrecognized compensation cost related to non-vested stock option awards, period   1 year 3 months 19 days  
Fair value of shares vested   $ 224,718 $ 235,550
Warrant [Member]      
Stock Options and Warrants (Textual)      
Granted during the period, options   535,600 971,611
Intrinsic value closing price   $ 3.10  
Options exercisable   2,239,702  
Weighted-average grant date fair value per share   $ 1.24  
Risk free interest rate   2.33%  
Expected volatility factor   116.00%  
Expected dividend yield   0.00% 0.00%
Estimated option term   4 years 10 months 25 days 5 years
Stock Option [Member]      
Stock Options and Warrants (Textual)      
Granted during the period, options 1,200,000 88,000 695,000
Intrinsic value closing price   $ 0.72  
Intrinsic value   $ 0  
Weighted-average grant date fair value per share   $ 0.72 $ 0.9
Risk free interest rate   2.69%  
Risk free interest rate, minimum     1.72%
Risk free interest rate, maximum     1.81%
Expected volatility factor   66.00%  
Expected volatility factor, minimum     82.00%
Expected volatility factor, maximum     85.00%
Expected dividend yield   0.00% 0.00%
Estimated option term   5 years 5 years