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Background, Basis of Presentation, Economic Dependency and Significant Accounting Policies: - Stock Options and Warrants (Details) - Stock options - USD ($)
12 Months Ended
Jun. 01, 1998
Jun. 01, 1997
Sep. 14, 1996
Feb. 29, 2016
Feb. 28, 2015
Stock options and Warrants          
Vested (in shares) 100,000 100,000 400,000 0 0
Effect on net loss       $ 0  
Effect on earnings per share       $ 0