Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Line Items]
Income Tax Expense (Benefit)	$ 51	$ 86
Deferred Tax Assets, Valuation Allowance	$ 33,866
Effective Income Tax Rate Reconciliation, Percent	(0.23%)	(0.51%)