Interest and Other Financial Costs (Details) - USD ($)
3 Months Ended 9 Months Ended
Nov. 30, 2021
Nov. 30, 2020
Nov. 30, 2021
Nov. 30, 2020
Interest and Other Finance Costs        
Interest on long-term debt $ 32,718 $ 19,185 $ 74,832 $ 57,917
Accretion expense 16,937 9,387 38,512 27,044
Loss (gain) on revaluation of foreign exchange contracts 0 (70,427) 0 (58,945)
Interest and other finance costs $ 49,655 $ (41,855) $ 113,344 $ 26,016