Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

13. Income Taxes (Details) (USD $)	3 Months Ended		4 Months Ended		12 Months Ended
13. Income Taxes (Details) (USD $)	Jul. 31, 2013	Jul. 31, 2012	Apr. 30, 2013	Apr. 30, 2012	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal
State
Current Income tax expense (benefit)
Deferred:
Federal
State
Deferred Income tax expense (benefit)
Total Income tax expense (benefit)