Acquisitions (Summary Of Pro Forma Financial Information) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Revenue:
Revenue as reported	$ 13,455,001	$ 11,748,888	$ 14,679,034	$ 30,999,170	$ 27,887,446	$ 18,374,977	$ 19,752,045	$ 18,396,756	$ 70,882,093	$ 84,411,224	$ 62,889,120
Pro forma revenue										16,842,595	21,562,379
Pro forma									70,882,093	101,253,819	84,451,499
Net Income:
Net income	$ (887,681)	$ (728,946)	$ 704,207	$ 10,233,761	$ 9,297,986	$ 5,122,585	$ 5,654,573	$ 4,926,318	9,321,341	25,001,462	13,960,049
Pro forma income										6,437,605	8,107,985
Pro forma									$ 9,321,341	$ 31,439,067	$ 22,068,034