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SUBSEQUENT EVENTS	12 Months Ended
	May 31, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	9.    SUBSEQUENT EVENTS On June 1, 2017, the Board of Directors granted non-qualified options to purchase 52,000 shares of Company common stock to various employees.  The options were granted at the exercise price of $2.41 per share, are exercisable 25% on June 1, 2018 and then 25% each year thereafter.  The options expire June 1, 2022.

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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