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Segment Information and Major Customers Expended for Property, Plant and Equipment by Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
Payments to Acquire Property Plant and Equipment by Segment [Line Items] |  |  |
Expended for property, plant and equipment | $ 1,842 | $ 1,773 | $ 2,729
IoT Products & Services |  |  |
Payments to Acquire Property Plant and Equipment by Segment [Line Items] |  |  |
Expended for property, plant and equipment | 1,773 | 1,738 | 2,641
IoT Solutions |  |  |
Payments to Acquire Property Plant and Equipment by Segment [Line Items] |  |  |
Expended for property, plant and equipment | $ 69 | $ 35 | $ 88

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- Definition [Line Items] for Payments to Acquire Property Plant and Equipment by Segment [Table] + References No definition available. + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Details
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- Details
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