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Segment Information and Major Customers Expended for Property, Plant and Equipment by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	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.

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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

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