Segment Information and Major Customers Expended for Property, Plant and Equipment by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Expended for property, plant and equipment	$ 1,974	$ 2,257	$ 899
Inventory Transfer To Property, Plant And Equipment	6,237	1,838	1,363
IoT Products & Services
Segment Reporting Information [Line Items]
Expended for property, plant and equipment	1,952	2,257	878
IoT Solutions
Segment Reporting Information [Line Items]
Expended for property, plant and equipment	$ 22	$ 0	$ 21