EARNINGS PER SHARE (Details) - USD ($)	12 Months Ended
	Apr. 30, 2015	Apr. 30, 2014
EARNINGS PER SHARE
Net earnings	$ 120,000	$ 872,000
Amounts allocated to participating securities (nonvested restricted shares)	(7,000)	(54,000)
Net income (loss) attributable to common shareholders	$ 113,000	$ 818,000
Basic weighted average common shares	5,265,750	5,265,750
Basic earnings per share	$ 0.02	$ 0.15