Summary of Calculations for Basic Net Loss Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (6,923)	$ (3,451)	$ (12,305)	$ (6,890)
Net income from discontinued operations, net of tax	707	2,307	1,531	3,027
Net loss	(6,216)	(1,144)	(10,774)	(3,863)
Less: accretion of Series B convertible preferred stock dividends	(233)	(315)	(481)	(628)
Net loss available to common stockholders	$ (6,449)	$ (1,459)	$ (11,255)	$ (4,491)
Weighted average common shares outstanding - basic	23,459	23,051	23,413	22,924
Weighted average common shares outstanding - diluted	23,459	23,051	23,413	22,924
Basic and diluted net income (loss) per common share:
Continuing operations - Basic	$ (0.31)	$ (0.16)	$ (0.55)	$ (0.33)
Continuing operations - Diluted	(0.31)	(0.16)	(0.55)	(0.33)
Discontinued operations, net of tax - Basic	0.03	0.1	0.07	0.13
Discontinued operations, net of tax - Diluted	0.03	0.1	0.07	0.13
Net loss per common share - basic	(0.27)	(0.06)	(0.48)	(0.2)
Net loss per common share - diluted	$ (0.27)	$ (0.06)	$ (0.48)	$ (0.2)