Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity and StockBased Compensation (Details 3)

v3.19.3
Stockholders Equity and StockBased Compensation (Details 3) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Stockholders Equity and StockBased Compensation (Details 3)    
Beginning of the period $ 331,407
Granted 4,246 148,704
Exercised
Forfeited (18,175) (11,998)
Expired (17,105) (1,100)
End of the period 435,979 467,013
Options exercisable 351,108 327,928
Weighted Average Exercise Price Beginning of the period $ 32.64 $ 42.96
Weighted Average Exercise Price Stock Options Granted 8.28 10.80
Weighted Average Exercise Price Stock Options Exercised
Weighted Average Exercise Price Stock Options Forfeited 34.32 13.20
Weighted Average Exercise Price Stock Options Expired 191.78 367.20
Weighted Average Exercise End of the year 26.15 32.64
Weighted Average Exercise Price Options exercisable 29.88 42.00
Weighted Average Fair Value Stock Options Beginning of the period 23.52 29.88
Weighted Average Fair Value Stock Options Granted 5.89 8.40
Weighted Average Fair Value Stock Options Exercised
Weighted Average Fair Value Stock Options Forfeited 25.56 9.96
Weighted Average Fair Value Stock Options Expired 147.21 253.56
Weighted Average Fair Value Stock Options End of the year 18.40 23.52
Weighted Average Fair Value Options exercisable $ 20.85 $ 29.88