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Stockholders Equity and StockBased Compensation (Details 4) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Number of options |  |
Options outstanding, Beginning of the period | 518,551 | 467,013
Options outstanding, Fraction option shares to options holders due to the one-for-twelve reverse stock split on October 21, 2019 |  | $ 99
Options outstanding, Adjusted beginning of the year |  | $ 467,112
Options outstanding, Granted | 7,634 | 91,229
Options outstanding, Exercised | (6,548) | 0
Options outstanding, Forfeited | (1,844) | (18,180)
Options outstanding, Expired | (1,946) | (21,610)
Options outstanding, End of the period | 515,847 | 518,551
Options outstanding, options exercisable | 466,121 | 433,678
Weighted Average Exercise Price |  |
Weighted Average Exercise Price Beginning of the period | $ 21.99 | $ 32.64
Weighted Average Exercise Price, Fraction option shares to options holders due to the one-for-twelve reverse stock split on October 21, 2019 |  | 32.64
Weighted Average Exercise Price, Adjusted beginning of the year |  | 32.64
Weighted Average Exercise Price Stock Options Granted | 4.45 | 4.03
Weighted Average Exercise Price Stock Options Exercised | 3.82 | 0.00
Weighted Average Exercise Price Stock Options Forfeited | 10.80 | 34.34
Weighted Average Exercise Price Stock Options Expired | 491.10 | 167.52
Weighted Average Exercise Price End of the year | 20.23 | 21.99
Weighted Average Exercise Price Options exercisable | 21.35 | 24.19
Weighted Average Grant Date Fair Value |  |
Weighted Average Fair Value Stock Options Beginning of the period | 15.89 | 23.52
Weighted Average Fair Value Stock Options, Fraction option shares to options holders due to the one-for-twelve reverse stock split on October 21, 2019 |  | 23.52
Weighted Average Fair Value Stock Options, Adjusted beginning of the year |  | 23.52
Weighted Average Fair Value Stock Options Granted | 3.28 | 2.74
Weighted Average Fair Value Stock Options Exercised | 2.59 | 0.00
Weighted Average Fair Value Stock Options Forfeited | 8.33 | 25.56
Weighted Average Fair Value Stock Options Expired | 384.02 | 116.81
Weighted Average Fair Value Stock Options End of the year | 14.51 | 15.89
Weighted Average Fair Value Options exercisable | $ 15.27 | $ 17.39

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