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Summary of Significant Accounting Policies - Intangibles (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Sep. 30, 2015
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 7,455 | $ 7,391
Accumulated Amortization | (2,887) | (2,452)
Net Carrying Amount | 4,568 | 4,939
Customer lists |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | 2,441 | 2,434
Accumulated Amortization | (884) | (808)
Net Carrying Amount | $ 1,557 | 1,626
Useful Life (in years) | 10 years |
Technology |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 3,255 | 3,223
Accumulated Amortization | (1,649) | (1,368)
Net Carrying Amount | $ 1,606 | 1,855
Technology | Minimum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 5 years |
Technology | Maximum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 10 years |
Trade names |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 1,458 | 1,456
Accumulated Amortization | (125) | (72)
Net Carrying Amount | $ 1,333 | 1,384
Trade names | Minimum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 10 years |
Trade names | Maximum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 15 years |
Other |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 301 | 278
Accumulated Amortization | (229) | (204)
Net Carrying Amount | $ 72 | $ 74
Other | Minimum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 2 years |
Other | Maximum |  |
Acquired Finite and Indefinite-Lived Intangible Assets [Line Items] |  |
Useful Life (in years) | 10 years |

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