Equity Incentive Plan (Details) - Equity Incentive Plan - shares
3 Months Ended
May 31, 2020
May 31, 2019
Number of units outstanding, beginning 1,300,518 3,223,516
Automatic share reserve increase 0 1,500,000
Number of units, granted (87,114) (25,145)
Number of units, forfeited 2,989 27,213
Number of units, expired 0 260,417
Number of units outstanding, ending 1,216,393 4,986,001