FAIR VALUE MEASUREMENTS (Details Textual) (USD $)	Oct. 31, 2014	Apr. 30, 2014
Reported Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes Payable, Fair Value Disclosure	$ 18,763,000	$ 19,545,000
Estimate of Fair Value Measurement [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes Payable, Fair Value Disclosure	$ 17,226,000	$ 17,739,000