Annual report pursuant to Section 13 and 15(d)

Income Taxes (Changes In Valuation Allowance For Deferred Tax Assets) (Details)

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Income Taxes (Changes In Valuation Allowance For Deferred Tax Assets) (Details) - Valuation Allowance of Deferred Tax Assets [Member] - USD ($)
12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at October 1 $ 2,591,000 $ 2,147,000 $ 12,600,000
Charged to Costs and Expenses (16,000) 432,000 (5,300,000)
Deductions/Other   12,000 (5,153,000)
Balance at September 30 $ 2,575,000 $ 2,591,000 $ 2,147,000