Interest and Other Financial Costs (Details) - USD ($)
3 Months Ended 6 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2021
Aug. 31, 2020
Interest and Other Finance Costs        
Interest on long-term debt $ 22,056 $ 19,005 $ 41,890 $ 38,732
Accretion expense 11,046 9,112 21,573 17,658
Loss (gain) on revaluation of foreign exchange contracts 0 (87,022) 0 11,481
Other Interest and finance costs 0 0 226 0
Interest and other finance costs $ 33,102 $ (58,905) $ 63,689 $ 67,871