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6. Stock Compensation Costs
6 Months Ended
Nov. 30, 2014
Equity [Abstract]  
6. Stock Compensation Costs

Stock compensation costs, resulting from stock options issued June 1, 2012, were $26,712 for the six-month periods ended November 30, 2014 and 2013, respectively.  The unexpensed cost at November 30, 2014 totaled $80,136.