Segment Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($) numberOfOperatingSegments segment	Mar. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | segment			2
Total Revenue	$ 77,301	$ 73,447	$ 150,447	$ 135,764
Gross Profit	40,457	38,641	81,476	69,105
Operating income (loss)	3,370	3,724	3,224	3,241
Depreciation and amortization	5,002	5,236	$ 10,052	8,853
IoT Products & Services Segment
Segment Reporting Information [Line Items]
Number of Operating Segments | numberOfOperatingSegments			4
Total Revenue	65,632	66,890	$ 127,412	121,503
Gross Profit	34,457	35,460	70,136	62,111
Operating income (loss)	4,583	8,362	5,852	12,759
Depreciation and amortization	3,072	3,338	6,206	5,044
IoT Solutions Segment
Segment Reporting Information [Line Items]
Total Revenue	11,669	6,557	23,035	14,261
Gross Profit	6,000	3,181	11,340	6,994
Operating income (loss)	(1,213)	(4,638)	(2,628)	(9,518)
Depreciation and amortization	$ 1,930	$ 1,898	$ 3,846	$ 3,809