Quarterly report pursuant to Section 13 or 15(d)

Stockholders Equity and StockBased Compensation (Details 4)

v3.19.3
Stockholders Equity and StockBased Compensation (Details 4) - Non-Vested Option [Member] - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Non-vested at beginning of period 139,085 128,561
Granted 4,246 148,705
Vested (58,460) (126,183)
Forfeited (11,998)
Non-vested at end of period 84,871 139,085
Weighted average fair value grant date, beginning of period $ 6.48 $ 13.20
Weighted average fair value grant date, granted 5.89 8.40
Weighted average fair value grant date, vested 8.37 15.24
Weighted average fair value grant date, forfeited 9.96
Weighted average fair value grant date, end of period 5.16 6.48
Weighted average exercise price, beginning of period 10.92 18.96
Weighted average exercise price, granted 8.28 10.80
Weighted average exercise price, vested 10.86 18.96
Weighted average exercise price, forfeited 13.20
Weighted average exercise price, end of period $ 10.73 $ 10.92