Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) numberOfOperatingSegments segment	Jun. 30, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Total Revenue	$ 79,079	$ 70,338	$ 229,526	$ 206,102
Gross Profit	42,556	37,349	124,031	106,454
Operating income (loss)	4,018	2,855	7,242	6,096
Depreciation and amortization	5,145	5,306	$ 15,200	14,159
IoT Products & Services Segment
Segment Reporting Information [Line Items]
Number of Operating Segments | numberOfOperatingSegments			4
Total Revenue	66,812	63,472	$ 194,224	184,975
Gross Profit	36,806	33,899	106,942	96,010
Operating income (loss)	6,101	6,481	11,954	19,240
Depreciation and amortization	3,181	3,320	9,390	8,364
IoT Solutions Segment
Segment Reporting Information [Line Items]
Total Revenue	12,267	6,866	35,302	21,127
Gross Profit	5,750	3,450	17,089	10,444
Operating income (loss)	(2,083)	(3,626)	(4,712)	(13,144)
Depreciation and amortization	$ 1,964	$ 1,986	$ 5,810	$ 5,795