Income Taxes - Provision for Income Taxes (Detail) (USD $)	3 Months Ended	9 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Current
Federal			$ 2,113,900	$ 1,011,800
State			580,700	208,500
Total			2,694,600	1,220,300
Deferred
Federal			1,016,800	854,400
State			184,100	195,700
Deferred income tax expense (benefit), total			1,200,900	1,050,100
Total	$ 1,389,000	$ 929,000	$ 3,896,000	$ 2,271,000

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.