DEBT ISSUANCE COSTS (Details) (USD $)	12 Months Ended
	May 31, 2014	May 31, 2013
DEBT ISSUANCE COSTS DURING THE PERIOD:
Direct costs incurred in establishing debt agreement approximately		$ 255,000
Unamortized debt issuance costs	108,000
Amortization expense related to debt issuance costs	143,000	225,000
Capitalized debt issuance costs approximately	31,000
Direct costs totaling approximately incurred in completing the modification were expensed.	$ 120,000