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Income Taxes (Deferred Tax Assets) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Current deferred tax asset | $ 0 | $ 0
Non-current deferred tax asset | 9,211 | 7,295
Current deferred tax liability | 0 | 0
Non-current deferred tax liability | (534) | (616)
Net deferred tax asset | 8,677 | 6,679
Uncollectible accounts and other reserves | 1,063 | 915
Depreciation and amortization | (673) | 421
Inventories | 824 | 683
Compensation costs | 5,863 | 4,925
Tax carryforwards | 7,514 | 6,263
Valuation allowance | (5,952) | (5,970)
Identifiable intangible assets | (581) | (558)
Other | 619 | 0
Net deferred tax asset | $ 8,677 | $ 6,679

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from inventory. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96869850&loc=d3e28680-109314 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 + Details
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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