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Income Taxes (Narrative) (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013
Income Tax Contingency [Line Items] |  |  |
Income tax provision (benefit) | $ (991,000)us-gaap_IncomeTaxExpenseBenefit | $ 3,937,000 us-gaap_IncomeTaxExpenseBenefit |
Effective tax rate | 81.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 35.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
Retroactive tax benefit | 600,000 us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions |  |
Operating loss carryforwards | 26,000,000 us-gaap_OperatingLossCarryforwards |  |
Operating loss carryforwards, expiration period (in years) | 20 years |  |
Operating loss carryforwards, expiration date | 2031 |  |
Operating loss carryforwards, valuation allowance |  |  | $ 7,000,000 us-gaap_OperatingLossCarryforwardsValuationAllowance
R&D Tax Credit |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax credit carryforward description | On December 19, 2014, the “Tax Increase Prevention Act of 2014” was enacted which retroactively reinstated and extended the R&D Tax Credit for one year through December 31, 2014. |  |
Tax credit expiration date | Dec. 31, 2014 |  |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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