Earnings Per Share - Details of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Numerator:
Net loss	$ (24,396)	$ (29,279)
Denominator:
Weighted average shares outstanding - basic (in shares)	64,916	55,422
Potential common shares - options / warrants (treasury stock method) and convertible notes (as if converted method) (in shares)	0	0
Weighted average shares outstanding - diluted (in shares)	64,916	55,422
Shares excluded (anti-dilutive) (in shares)	7,622	3,661
Net loss per common share:
Basic (in dollars per share)	$ (0.38)	$ (0.53)
Diluted (in dollars per share)	$ (0.38)	$ (0.53)