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Segment Information Total Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Sep. 30, 2017
--- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Assets |  | $ 347,508 | $ 345,189
IoT Products & Services |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Assets |  | 177,401 | 182,555
IoT Solutions |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Assets |  | 92,046 | 47,644
Unallocated |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |
Assets | [1] | $ 78,061 | $ 114,990
[1] | Unallocated consists of cash and cash equivalents, current marketable securities and long-term marketable securities.

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