Information Regarding Net Revenue and Gross Profit by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net revenue	$ 22,494	$ 25,997
Gross profit	$ 8,392	$ 9,211
Gross profit margin	37.00%	35.00%
Operating expenses:
Research and development	$ 3,011	$ 2,707
Selling and marketing	5,302	6,097
General and administrative	4,252	2,948
Restructuring and severance	22	191
Total operating expenses	12,587	11,943
Loss from operations	(4,195)	(2,732)
Non-operating income (expense):
Interest expense, net	(87)	(50)
Foreign currency gains (losses), net	(256)	89
Loss before income tax provision	(4,538)	(2,693)
Identity | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	12,835	14,678
Gross profit	$ 2,834	$ 3,079
Gross profit margin	22.00%	21.00%
Premises | Operating Segments
Segment Reporting Information [Line Items]
Net revenue	$ 9,659	$ 11,319
Gross profit	$ 5,558	$ 6,132
Gross profit margin	58.00%	54.00%