Restructuring (Details) $ in Thousands	3 Months Ended						12 Months Ended
	Jun. 30, 2022 USD ($) employee	Mar. 31, 2022 employee	Dec. 31, 2021 USD ($) employee	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 0			$ 0	$ 0	$ 0
Restructuring charge							995	133
Payments for restructuring							(935)	(117)
Restructuring reversals							0	(16)
Restructuring foreign currency fluctuation							(60)	0
Restructuring reserve, ending balance							0	0
Employee Termination Costs | 2020 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0			0	0	0
Restructuring charge							0	133
Payments for restructuring							0	(117)
Restructuring reversals							0	(16)
Restructuring foreign currency fluctuation							0	0
Restructuring reserve, ending balance							0	0
Employee Termination Costs | 2021 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 0			0	0	0
Restructuring charge							995	0
Payments for restructuring							(935)	0
Restructuring reversals							0	0
Restructuring foreign currency fluctuation							(60)	0
Restructuring reserve, ending balance							$ 0	$ 0
IoT Products & Services | 2020 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated | employee		2
IoT Products & Services | 2021 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated | employee			19
IoT Products & Services | Employee Termination Costs | 2020 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring charge					$ 38
IoT Products & Services | Employee Termination Costs | 2021 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring charge				$ 100	$ 200	$ 700
IoT Solutions | 2020 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of positions eliminated | employee	22
IoT Solutions | Employee Termination Costs | 2020 Restructuring
Restructuring Reserve [Roll Forward]
Restructuring charge	$ 95