Subsequent Event	12 Months Ended
May 31, 2019
Subsequent Events [Abstract]
Subsequent Event	Note 16. SUBSEQUENT EVENT On July 1, 2019, Greystone and IBC entered into the Tenth Amendment to the IBC Loan Agreement dated January 31, 2014 (the “Tenth Amendment”) whereby IBC made an additional term loan to Borrowers in the original principal amount of $672,000 (“Term Loan H”). Term Loan H has an interest rate of the prime rate of interest plus 0.5% but not less than 5.25% and a maturity date of January 1, 2022. The proceeds from Term Loan H will be used to acquire new production equipment.

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.

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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