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Discontinued Operations (Amortization, Depreciation, and Purchase of PPE) (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2016 USD ($)
Etherios, Inc. | Discontinued Operations, Disposed of by Sale |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Amortization of identifiable intangible assets | $ 30

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