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Income Taxes - Effective Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate | $ 6,139 | $ 2,195 | $ (648)
Income Tax Expense (Benefit) | 661 | 748 | 326
Increase Resulting From [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Alternative Minimum Tax | 417 |  |
Income Tax Reconciliation, Nondeductible Expense | 753 | 563 | 1,269
Long-lived Assets | 69 |  |
Income Tax Reconciliation, State and Local Income Taxes | 937 | 544 | 377
Contingent Tax Liabilities | 51 |  |
Effective Income Tax Rate Rec Other | 54 |  | 29
Decrease Resulting From [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Contingent Tax Liabilities |  | (1) | (50)
Effective Income Tax Rate Rec Other |  | (6) |
Change in valuation allowance | (7,034) | $ (2,547) | $ (651)
Valuation Allowance Adjustment Acquisition | $ (725) |  |

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- Definition Amount 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 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 2: 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)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 + Details
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