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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2015
Income Taxes [Abstract] |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  |  | Years Ended September 30,
|  |  | 2015 |  | 2014 |  | 2013
Federal: |  |  |  |  |  |  |  |  |
| Current |  | $ | 417 |  | $ | 183 |  | $ | -
| Deferred |  |  | (564) |  |  | 182 |  |  | -
State: |  |  |  |  |  |  |  |  |
| Current |  |  | 729 |  |  | 554 |  |  | 363
| Deferred |  |  | 79 |  |  | (171) |  |  | (37)
|  |  | $ | 661 |  | $ | 748 |  | $ | 326
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  |  | Years Ended September 30,
|  |  | 2015 |  | 2014 |  | 2013
Provision (benefit) at the statutory rate |  | $ | 6,139 |  | $ | 2,195 |  | $ | (648)
Increase resulting from: |  |  |  |  |  |  |  |  |
| Alternative minimum tax |  |  | 417 |  |  | - |  |  | -
| Non-deductible expenses |  |  | 753 |  |  | 563 |  |  | 1,269
| Long-lived assets |  |  | 69 |  |  | - |  |  | -
| State income taxes, net of federal deduction |  |  | 937 |  |  | 544 |  |  | 377
| Contingent tax liabilities |  |  | 51 |  |  | - |  |  | -
| Other |  |  | 54 |  |  | - |  |  | 29
Decrease resulting from: |  |  |  |  |  |  |  |  |
| Change in valuation allowance |  |  | (7,034) |  |  | (2,547) |  |  | (651)
| Valuation allowance adjustment - acquisitions |  |  | (725) |  |  | - |  |  | -
| Contingent tax liabilities |  |  | - |  |  | (1) |  |  | (50)
| Other |  |  | - |  |  | (6) |  |  | -
|  |  | $ | 661 |  | $ | 748 |  | $ | 326
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  |  |  | Years Ended September 30,
|  |  |  | 2015 |  | 2014
Deferred income tax assets: |  |  |  |  |  |
| Allowance for doubtful accounts |  | $ | 322 |  | $ | 295
| Accrued expenses |  |  | 9,186 |  |  | 8,171
| Net operating loss carryforward |  |  | 99,610 |  |  | 107,072
| Various reserves |  |  | 1,169 |  |  | 1,363
| Equity losses in affiliate |  |  | 200 |  |  | 200
| Share-based compensation |  |  | 573 |  |  | 419
| Capital loss carryforward |  |  | 222 |  |  | 3,976
| Intangible assets |  |  | 413 |  |  | 1,071
| Other |  |  | 1,744 |  |  | 1,268
Subtotal |  |  | 113,439 |  |  | 123,835
Less valuation allowance |  |  | 111,211 |  |  | 121,878
Total deferred income tax assets |  | $ | 2,228 |  | $ | 1,957
Deferred income tax liabilities: |  |  |  |  |  |
| Property and equipment |  | $ | 599 |  | $ | 608
| Intangible assets |  |  | 1,084 |  |  | 827
| Other |  |  | 343 |  |  | 219
Total deferred income tax liabilities |  |  | 2,026 |  |  | 1,654
Net deferred income tax assets (liabilities) |  | $ | 202 |  | $ | 303
Schedule Of Unrecognized Tax Benefits Roll Forward Table[Text Block] |
| Years Ended September 30,
| 2015 |  | 2014 |
Balance at October 1, | $ | 56,079 |  | $ | 55,612 |
Additions for position related to current year |  | 98 |  |  | 468 |
Additions for positions of prior years |  | 1 |  |  | 2 |
Reduction resulting from the lapse of the applicable statutes of limitations |  | 198 |  |  | 3 |
Reduction resulting from settlement of positions of prior years |  | 17 |  |  | - |
Balance at September 30, | $ | 55,963 |  | $ | 56,079 |
Summary Of Deferred Tax Assets And Liabilities [Table Text Block] |
|  |  |  | Years Ended September 30,
|  |  |  | 2015 |  | 2014
| Current deferred income taxes: |  |  |  |  |  |
|  | Assets |  | $ | 229 |  | $ | 201
|  | Liabilities |  |  | 174 |  |  | 196
| Net deferred tax asset, current |  | $ | 55 |  | $ | 5
| Noncurrent deferred income taxes: |  |  |  |  |  |
|  | Assets |  | $ | 1,999 |  | $ | 1,961
|  | Liabilities |  |  | 1,852 |  |  | 1,663
| Net deferred tax asset (liability), non-current |  |  | 147 |  |  | 298
Net deferred income tax assets (liabilities) |  | $ | 202 |  | $ | 303

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