Segment and Geographic Information - Schedule of Financial Information with Respect of Single Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting [Abstract]
Revenues, net	$ 24,632		$ 21,856		$ 48,472	$ 43,169
Cost of revenues	3,285		3,385		6,220	6,518
Gross profit	21,347		18,471		42,252	36,651
Selling and operating	20,634		18,476		40,656	35,881
Corporate, general and administration	2,909		1,988		4,806	3,617
Total operating expenses	23,543		20,464		45,462	39,498
Loss from operations	(2,196)		(1,993)		(3,210)	(2,847)
Interest and other expense, net	124		(144)		(12)	(252)
Loss before income taxes	(2,072)		(2,137)		(3,222)	(3,099)
Income tax expense	1				49
Loss from continuing operations	(2,073)		(2,137)		(3,271)	(3,099)
Loss from discontinued operations	26		(26)		5	(35)
Net loss	(2,047)	$ (1,219)	(2,163)	$ (971)	(3,266)	(3,134)
Net (loss) income attributable to noncontrolling interests	(246)		30		(451)	104
Net loss attributable to common shareholders	$ (1,801)		$ (2,193)		$ (2,815)	$ (3,238)