DEBT ISSUANCE COSTS (Details) (USD $)	3 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
DEBT ISSUANCE COSTS DURING THE PERIOD:
Direct costs incurred in establishing debt agreement	$ 255,000
Amortization expense related to debt issuance costs	52,000	22,000
Direct costs totaling approximately	$ 120,000