Shareholders' Equity (Details) - USD ($)	1 Months Ended			12 Months Ended
	Jun. 30, 2013	Mar. 31, 2012	Mar. 31, 2011	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Equity, Class of Treasury Stock [Line Items]
Purchase of Common Stock Authorized	$ 1,500,000	$ 1,500,000	$ 1,500,000	$ 1,500,000
Purchase of treasury stock				601,853	$ 117,165	$ 242,313
Maximum [Member]
Equity, Class of Treasury Stock [Line Items]
Purchase of Common Stock, approval level				1,500,000
2010 Restricted Stock Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury stock				$ 5,599,643
Purchase of treasury stock, shares				370,950