INCOME TAXES (Details) - Income Taxes - USD ($)	12 Months Ended
	May 31, 2016	May 31, 2015
Current:
U.S. Federal
State and local	(800)	17,024
Total current	(800)	17,024
Deferred:
U.S. Federal	(579,414)	267,418
State and local	(123,586)	30,582
Total deferred	(703,000)	298,000
Income tax (expense) benefit	$ (703,800)	$ 315,024