FAIR VALUE OF FINANCIAL INSTRUMENTS NARRATIVE (Details) - USD ($)	3 Months Ended		9 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 29, 2016	Feb. 28, 2015
FAIR VALUE OF FINANCIAL INSTRUMENTS NARRATIVE DETAILS
Fair value of the Earn-Out Payments gain (loss)	$ (21,000)	$ (10,000)	$ 30,000	$ (70,000)
Discount rate			7.00%
Asset Purchase Agreement totaled			$ 423,000