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Note 5 - Stock Options - Aggregate Intrinsic Value (Details) - USD ($)
6 Months Ended
May. 31, 2015
Options Outstanding (in shares) 257,500
Options Outstanding, Weighted Average Remaining Life 1 year 91 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share) $ 1.24
Options Outstanding, Aggregate Intrinsic Value $ 0
Options Exercisable (in shares) 257,500
Options Exercisable, Weighted Average Exercise Price (in dollars per share) $ 1.24
Options Exercisable, Aggregate Intrinsic Value $ 0