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Other Comprehensive Income (Loss) (Details Narrative) - USD ($)
3 Months Ended
May 31, 2017
May 31, 2016
Feb. 28, 2017
Equity [Abstract]      
Unrealized gain on available-for-sale marketable securities, balance $ 69,285   $ 42,250
Unrealized gain on available-for-sale securities $ 27,035 $ 55,941