Share-Based Payments (Details) - $ / shares
3 Months Ended
May 31, 2019
May 31, 2018
Share-based Payment Arrangement [Abstract]    
Number of options outstanding, beginning 1,962,400 2,374,581
Number of options, granted 0 0
Number of options, exercised 0 (20,000)
Number of options, forfeited (10,010) (100,000)
Number of options, expired (260,417) 0
Number of options outstanding, ending 1,691,973 2,254,581
Number of options outstanding, exercisable 914,998 926,249
Weighted average exercise price outstanding, beginning $ 7.53 $ 7.99
Weighted average exercise price, granted 0.00 0.00
Weighted average exercise price, exercised 0.00 0.8
Weighted average exercise price, forfeited 8.75 5.25
Weighted average exercise price, expired 13.89 0.00
Weighted average exercise price outstanding, ending 6.60 8.17
Weighted average exercise price outstanding, exercisable $ 6.10 $ 6.61