Other expense (income), net - Schedule of Other Expense, Net (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Other Income And Expenses [Abstract]
Interest and other expense	$ 489	$ 224	$ 1,368	$ 803
Interest and other income	(108)	(36)	(133)	(36)
Gain on debt extinguishment	0	(808)	0	(808)
Loss on debt extinguishment	0	268	0	268
Foreign currency exchange losses	35	(8)	4	22
Change in fair value of derivative liabilities	(50)	0	116	0
Total other expense, net	$ 366	$ (360)	$ 1,355	$ 249