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Income Taxes (Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Sep. 30, 2011
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Income Tax Disclosure [Abstract] |  |
Current deferred tax asset | $ 3,389 | $ 2,610
Non-current deferred tax asset | 5,010 | 3,771
Current deferred tax liability | (16) | (137)
Non-current deferred tax liability | (630) | (813)
Net deferred tax asset | 7,753 | 5,431
Uncollectible accounts and other reserves | 1,669 | 1,454
Depreciation and amortization | 164 | 183
Inventories | 1,263 | 913
Compensation costs | 7,034 | 6,106
Tax carryforwards | 714 | 771
Valuation allowance | (534) | (354)
Indentifiable intangible assets | $ (2,557) | $ (3,642)

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