Segment Information (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	[1]	Jun. 30, 2019 USD ($) segment	Jun. 30, 2018 USD ($)	[1]
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment				2
Total Revenue	$ 61,166	$ 62,272		$ 189,243	$ 161,775
Operating income (loss)	1,621	2,424		7,964	1,243
Depreciation and amortization	3,186	3,473		10,012	9,306
IoT Products & Services Segment
Segment Reporting Information [Line Items]
Total Revenue	50,510	54,406		159,843	145,111
Operating income (loss)	3,117	4,544		13,969	10,497
Depreciation and amortization	1,391	1,754		4,711	4,332
IoT Solutions Segment
Segment Reporting Information [Line Items]
Total Revenue	10,656	7,866		29,400	16,664
Operating income (loss)	(1,496)	(2,120)		(6,005)	(9,254)
Depreciation and amortization	$ 1,795	$ 1,719		$ 5,301	$ 4,974

[1] Prior period information has been restated for the adoption of ASU No. 2014-09, “Revenue from Contracts with Customers (Topic 606),” which we adopted on October 1, 2018.