SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)	3 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Basic income (loss) per share computation
Net income (loss) from continuing operations, net of noncontrolling interest	$ (692,732)	$ 154,008
Basic weighted average shares outstanding	6,954,766	6,954,766
Basic net income (loss) per common share from continuing operations	$ (0.10)	$ 0.02
Diluted income (loss) per share computation
Net income (loss) from continuing operations, net of noncontrolling interest	$ (692,732)	$ 154,008
Basic weighted average shares outstanding	6,954,766	6,954,766
Incremental shares from assumed conversion:
Assumed exercise of stock options	0	9,445
Diluted weighted average shares	6,954,766	6,964,211
Diluted net income (loss) per common share from continuing operations	$ (0.10)	$ 0.02