EMPLOYEE RETIREMENT PLANS	12 Months Ended
May 31, 2016
EMPLOYEE RETIREMENT PLANS
EMPLOYEE RETIREMENT PLANS	D. EMPLOYEE RETIREMENT PLANS The Company has an Internal Revenue Code Section 401(k) plan covering substantially all U.S. based employees and offers an employer match of a portion of an employee’s voluntary contributions. The aggregate expense related to this employer match for fiscal years 2016 and 2015 was approximately $31,000 and $52,000, respectively.

The entire disclosure for pension and other postretirement benefits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450702-114947

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e2410-114920

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6414203&loc=d3e39675-114964

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 60
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66047640&loc=d3e39622-114963

Name:	us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration