v3.8.0.1

Summary of Significant Accounting Policies and Select Balance Sheet Information - Schedule of Intangible Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Accumulated Amortization | $ (10,838) | $ (8,604)
Intangible assets, Gross Carrying Amount | 31,400 | 31,129
Intangible assets, Net | $ 20,562 | $ 22,525
Customer Lists and Relationships [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Weighted Average Original Life (Years) | 8 years 10 months 24 days | 8 years 10 months 24 days
Definite-lived intangible assets, Gross Carrying Amount | $ 18,293 | $ 17,692
Definite-lived intangible assets, Accumulated Amortization | (7,834) | (6,123)
Definite-lived intangible assets, Net | $ 10,459 | $ 11,569
Core Technology [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Weighted Average Original Life (Years) |  | 8 years
Definite-lived intangible assets, Gross Carrying Amount |  | $ 530
Definite-lived intangible assets, Accumulated Amortization |  | $ (530)
Developed Technology [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Weighted Average Original Life (Years) | 11 years 8 months 12 days | 11 years 9 months 18 days
Definite-lived intangible assets, Gross Carrying Amount | $ 9,297 | $ 8,724
Definite-lived intangible assets, Accumulated Amortization | (1,478) | (618)
Definite-lived intangible assets, Net | $ 7,819 | $ 8,106
Non-compete [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Weighted Average Original Life (Years) | 5 years | 5 years
Definite-lived intangible assets, Gross Carrying Amount | $ 230 | $ 230
Definite-lived intangible assets, Accumulated Amortization | (103) | (58)
Definite-lived intangible assets, Net | $ 127 | $ 172
Patents and Other [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Weighted Average Original Life (Years) | 16 years 6 months | 16 years 6 months
Definite-lived intangible assets, Gross Carrying Amount | $ 2,321 | $ 2,321
Definite-lived intangible assets, Accumulated Amortization | (1,423) | (1,275)
Definite-lived intangible assets, Net | 898 | 1,046
Definite-Lived Intangible Assets [Member] |  |
Intangible Assets [Line Items] |  |
Definite-lived intangible assets, Gross Carrying Amount | 30,141 | 29,497
Definite-lived intangible assets, Accumulated Amortization | (10,838) | (8,604)
Definite-lived intangible assets, Net | 19,303 | 20,893
In-Process Research and Development [Member] |  |
Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets, Net | 679 | 987
Trademarks and Trade Names [Member] |  |
Intangible Assets [Line Items] |  |
Indefinite-lived intangible assets, Net | $ 580 | $ 645

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + 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)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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