Segment and Geographic Information - Schedule of Financial Information with Respect of Single Operating Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting [Abstract]
Revenues, net	$ 23,840	$ 21,314
Cost of revenues	2,935	3,132
Gross profit	20,905	18,182
Selling and operating	20,022	17,407
Corporate, general and administration	1,897	1,629
Total operating expenses	21,919	19,036
Loss from operations	(1,014)	(854)
Interest and other expense, net	(136)	(108)
Loss before income taxes	(1,150)	(962)
Income tax (benefit) expense	48
Loss from continuing operations	(1,198)	(962)
Loss from discontinued operations	(21)	(9)
Net loss	(1,219)	(971)
Net (loss) income attributable to noncontrolling interests	(205)	74
Net loss attributable to common shareholders	$ (1,014)	$ (1,045)