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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2016
Income Taxes [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  |  | Years Ended September 30,
|  |  | 2016 |  | 2015 |  | 2014
Federal: |  |  |  |  |  |  |  |  |
| Current |  | $ | 762 |  | $ | 417 |  | $ | 183
| Deferred |  |  | (97,093) |  |  | (564) |  |  | 182
State: |  |  |  |  |  |  |  |  |
| Current |  |  | 952 |  |  | 729 |  |  | 554
| Deferred |  |  | (1,738) |  |  | 79 |  |  | (171)
|  |  | $ | (97,117) |  | $ | 661 |  | $ | 748
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  |  | Years Ended September 30,
|  |  | 2016 |  | 2015 |  | 2014
Provision (benefit) at the statutory rate |  | $ | 8,316 |  | $ | 6,139 |  | $ | 2,195
Increase resulting from: |  |  |  |  |  |  |  |  |
| Alternative minimum tax |  |  | - |  |  | 417 |  |  | -
| Non-deductible expenses |  |  | 1,557 |  |  | 753 |  |  | 563
| Long-lived assets |  |  | - |  |  | 69 |  |  | -
| State income taxes, net of federal deduction |  |  | 1,105 |  |  | 937 |  |  | 544
| Contingent tax liabilities |  |  | - |  |  | 51 |  |  | -
| Other |  |  | - |  |  | 54 |  |  | -
Decrease resulting from: |  |  |  |  |  |  |  |  |
| Change in valuation allowance |  |  | (108,987) |  |  | (7,034) |  |  | (2,547)
| Valuation allowance adjustment - acquisitions |  |  | - |  |  | (725) |  |  | -
| Contingent tax liabilities |  |  | (96) |  |  | - |  |  | (1)
| Other |  |  | 988 |  |  | - |  |  | (6)
|  |  | $ | (97,117) |  | $ | 661 |  | $ | 748
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  |  |  | Years Ended September 30,
|  |  |  | 2016 |  | 2015
Deferred income tax assets: |  |  |  |  |  |
| Allowance for doubtful accounts |  | $ | 280 |  | $ | 322
| Accrued expenses |  |  | 10,729 |  |  | 9,186
| Net operating loss carryforward |  |  | 86,280 |  |  | 99,610
| Various reserves |  |  | 1,410 |  |  | 1,169
| Equity losses in affiliate |  |  | 84 |  |  | 200
| Share-based compensation |  |  | 1,012 |  |  | 573
| Capital loss carryforward |  |  | 338 |  |  | 222
| Intangible assets |  |  | - |  |  | 413
| Other |  |  | 3,185 |  |  | 1,744
Subtotal |  |  | 103,318 |  |  | 113,439
Less valuation allowance |  |  | 2,224 |  |  | 111,211
Total deferred income tax assets |  | $ | 101,094 |  | $ | 2,228
Deferred income tax liabilities: |  |  |  |  |  |
| Property and equipment |  | $ | 1,517 |  | $ | 599
| Intangible assets |  |  | 5,629 |  |  | 1,084
| Other |  |  | 399 |  |  | 343
Total deferred income tax liabilities |  |  | 7,545 |  |  | 2,026
Net deferred income tax assets (liabilities) |  | $ | 93,549 |  | $ | 202
Schedule Of Unrecognized Tax Benefits Roll Forward Table[Text Block] |
| Years Ended September 30,
| 2016 |  | 2015 |
Balance at October 1, | $ | 55,963 |  | $ | 56,079 |
Additions for position related to current year |  | - |  |  | 98 |
Additions for positions of prior years |  | - |  |  | 1 |
Reduction resulting from the lapse of the applicable statutes of limitations |  | 27 |  |  | 198 |
Reduction resulting from positions of prior years |  | 69 |  |  | - |
Reduction resulting from settlement of positions of prior years |  | - |  |  | 17 |
Balance at September 30, | $ | 55,867 |  | $ | 55,963 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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