Summary of Calculations for Basic Net Income (Loss) per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net loss from continuing operations	$ (4,789)	$ (5,382)
Total income from discontinued operations, net of tax		824
Net loss	(4,789)	(4,558)
Less: accretion of Series B convertible preferred stock dividends	(205)	(248)
Net income (loss) available to common stockholders	$ (4,994)	$ (4,806)
Weighted average common shares outstanding - basic	23,599	23,368
Weighted average common shares outstanding - diluted	23,599	23,368
Basic and diluted net income (loss) per common share:
Continuing operations - Basic	$ (0.21)	$ (0.24)
Continuing operations - Diluted	(0.21)	(0.24)
Discontinued operations, net of tax - Basic		0.04
Discontinued operations, net of tax - Diluted		0.04
Net income (loss) per common share - basic	(0.21)	(0.21)
Net income (loss) per common share - diluted	$ (0.21)	$ (0.21)