BUSINESS SEGMENT INFORMATION (Details) - USD ($)	3 Months Ended	9 Months Ended
Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016	May 31, 2016
Revenues	$ 263,800	$ 749,083	$ 1,077,963	$ 1,671,138
Income (loss) from operations	(107,276)	68,260	(888,536)	(1,139,136)
Total assets	244,135		244,135		$ 584,643
Arkados [Member]
Revenues	(10,299)	260,590	78,648	542,883
Income (loss) from operations	(209,696)	91,279	(825,154)	(420,525)
Total assets	130,661		130,661		236,797
AES [Member]
Revenues	274,099	488,493	999,315	1,128,255
Income (loss) from operations	102,420	$ (23,019)	(63,382)	$ (718,611)
Total assets	$ 113,474		$ 113,474		$ 347,846

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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