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Subsequent Events	6 Months Ended
	Nov. 30, 2018
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Note 7: Subsequent Events      On December 20, 2018, the Company granted 385,000 options to purchase common stock to various directors and officers at the exercise price of $2.25 per share under the 2017 Stock Option and Restricted Stock Option Plan.  The shares are fully exercisable for outside directors on December 19, 2019 and for officers one quarter one year from date of grant and one quarter per year thereafter and expire ten years from date of grant.      Subsequent to November 30, 2018, the Company sold 33,390 shares of common stock under the S-3 registration statement and received net proceeds of $87,332.      Subsequent to November 30, 2018, options to purchase 2,000 shares of the Company’s common stock were exercised at a purchase price of $0.85.  Net proceeds to the Company were $1,600.

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

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