9. RESTRUCTURING EXPENSE (Details) (USD $)	3 Months Ended		6 Months Ended		557 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2013
Charges Incurred During the six months ended October 31, 2013	$ 0	$ 170,298	$ 0	$ 217,774	$ 220,715
Future lease obligations, net of sublease revenue
Charges Incurred During the six months ended October 31, 2013			0
Amounts Paid Through October 31, 2013			65,360
Amounts Accrued at October 31, 2013	$ 76,524		$ 76,524		$ 76,524