Income Taxes (Details Textual)	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, Percent	15.84%	1.80%	3.29%	2.40%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	34.00%