Acquisitions (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue:
As reported	$ 13,649,692	$ 11,688,417	$ 37,490,935	$ 32,567,424
Pro forma revenue			409,988	3,293,040
Pro forma			37,900,923	35,860,464
Net Income:
As reported	3,100,299	2,650,429	7,188,375	5,849,531
Pro forma income			136,315	731,559
Pro forma			$ 7,324,690	$ 6,581,090