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Stockholders' Equity (Details 1) - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Equity Option [Member]    
Number of Shares, Non-vested stock options as of January 1, 2020 321,000  
Number of Shares, Non-vested stock options as of December 31, 2020 248,000 321,000
Number of Shares, Stock options granted during the year ended December 31, 2020 100,000  
Number of Shares, Stock options that vested during the year ended December 31, 2020 113,000  
Number of Shares, Stock options that were forfeited during the year ended December 31, 2020 62,000  
Weighted Average Fair Value at Grant Date, Non-vested stock options as of January 1, 2020 $ 3.49  
Weighted Average Fair Value at Grant Date, Non-vested stock options as of December 31, 2020 3.25 $ 3.49
Weighted Average Fair Value at Grant Date, Stock options granted during the year ended December 31, 2020 2.47  
Weighted Average Fair Value at Grant Date, Stock options that vested during the year ended December 31, 2020 3.48  
Weighted Average Fair Value at Grant Date, Stock options that were forfeited during the year ended December 31, 2020 2.84  
Weighted Average Exercise Price, Non-vested stock options as of January 1, 2020 6.55  
Weighted Average Exercise Price, Non-vested stock options as of December 31, 2020 6.44 6.55
Weighted Average Exercise Price, Stock options granted during the year ended December 31, 2020 5.03  
Weighted Average Exercise Price, Stock options that vested during the year ended December 31, 2020 6.06  
Weighted Average Exercise Price, Stock options that were forfeited during the year ended December 31, 2020 5.45  
Employee Stock Option [Member]    
Weighted Average Fair Value at Grant Date, Stock options granted during the year ended December 31, 2020 2.47 2.93
Weighted Average Exercise Price, Stock options granted during the year ended December 31, 2020 5.03 5.90
Weighted Average Exercise Price, Stock options that were forfeited during the year ended December 31, 2020 $ 5.45 $ 6.05