Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Reconciliation Of Income Tax Expense) (Details)

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Income Taxes (Reconciliation Of Income Tax Expense) (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Income Taxes [Abstract]        
Income tax expense at statutory rates $ 2,000 $ 1,011,000 $ 791,000 $ 1,513,000
State income tax, net of federal benefits   271,000 119,000 364,000
Non-deductible expenses 1,000   3,000 2,000
Effect of AMT expense (3,000) 64,000 27,000 91,000
Effect of lower foreign income tax rates (47,648) 40,501 (154,773) 61,235
Other 19,824 (80,056) 16,402 (54,360)
Income tax expense $ (27,824) $ 1,306,445 $ 801,629 $ 1,976,875