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Stock Options	9 Months Ended
Stock Options	Jan. 31, 2017
Stock Options [Abstract]
Stock Options	6. Stock Options: At January 31, 2017 we had no outstanding stock options. There were 7,262,064 outstanding stock options that were issued on December 31, 2010 all of which expired on December 31, 2015.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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