Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets		$ 80	$ 0	$ 135	$ 32
Foreign currency translation adjustment				100
Operating Expense [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets				$ 200
Smarteq Wireless Aktiebolag [Member]
Finite Lived Intangible Assets [Line Items]
Finite-lived intangible assets	$ 2,000
Minimum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets basis over estimated useful lives				1 year
Maximum [Member]
Finite Lived Intangible Assets [Line Items]
Amortization of intangible assets basis over estimated useful lives				5 years