Registration statement for securities of certain foreign private issuers

Share-Based Payment Transactions (Details 1)

v3.19.3.a.u2
Share-Based Payment Transactions (Details 1)
12 Months Ended
Dec. 31, 2018
$ / shares
shares
Dec. 31, 2017
$ / shares
shares
Dec. 31, 2016
$ / shares
shares
Share-based Payment Transactions [Abstract]      
Number of Outstanding at beginning of year | shares 1,490,423 737,028 798,579
Number of Grants | shares   970,000 180,000
Number of Forfeited/expired | shares (53,023) (216,605) (241,551)
Number of Outstanding at end of year | shares 1,437,400 1,490,423 737,028
Number of Exercisable at end of year | shares 736,155 451,266 402,500
Weighted average exercise price, Outstanding at beginning of year | $ / shares 1.35 2.63 3.14
Weighted average exercise price, Grants | $ / shares   0.75 1.15
Weighted average exercise price, Forfeited/expired | $ / shares 7.53 4.26 3.32
Weighted average exercise price, Outstanding at end of year | $ / shares 1.20 1.35 2.63
Weighted average exercise price, Exercisable at end of year | $ / shares 2.41 2.41 3.87