15. RELATED PARTY TRANSACTIONS	12 Months Ended
May 31, 2017
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	15. RELATED PARTY TRANSACTIONS: Mario M. Rosati, one of the Company’s directors, is also a member of Wilson Sonsini Goodrich & Rosati, Professional Corporation, which has served as the Company’s outside corporate counsel and has received compensation at normal commercial rates for these services. At May 31, 2017, the Company had $188,000 payable to Wilson Sonsini Goodrich & Rosati.

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-URI http://asc.fasb.org/topic&trid=2122745

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