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Acquired Intangible Assets (Tables) | 12 Months Ended
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Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | As of September 30, 2017 and 2016, intangible assets are as follows:
| September 30, 2017 |  | September 30, 2016
Weighted Average Remaining Amortization Period |  | Gross |  | Accumulated Amortization |  | Net |  | Weighted Average Remaining Amortization Period |  | Gross |  | Accumulated Amortization |  | Net
| (Amounts in thousands)
Customer list | 2 years |  | $ | 910 |  |  | $ | 773 |  |  | $ | 137 |  |  | 3 years |  | $ | 910 |  |  | $ | 682 |  |  | $ | 228 |
Non-compete agreements | 0 years |  | 93 |  |  | 93 |  |  | — |  |  | 0 years |  | 93 |  |  | 93 |  |  | — |
Developed technology | 0 years |  | 30 |  |  | $ | 30 |  |  | $ | — |  |  | 0 years |  | 30 |  |  | 29 |  |  | 1 |
Trade name | 1 year |  | 140 |  |  | $ | 110 |  |  | $ | 30 |  |  | 2 years |  | 140 |  |  | 82 |  |  | 58 |
Total |  |  | $ | 1,173 |  |  | $ | 1,006 |  |  | $ | 167 |  |  |  |  | $ | 1,173 |  |  | $ | 886 |  |  | $ | 287 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | Annual amortization expense related to intangible assets for each of the following successive fiscal years is as follows:
Fiscal year ending September 30: | (Amounts in thousands)
2018 | 119 |
2019 | 11 |
2020 | 9 |
2021 | 9 |
2022 | 9 |
Thereafter | 10 |
Total | $ | 167 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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