NET LOSS PER SHARE - Weighted average number of common stock outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
NET LOSS PER SHARE
Loss attributable to common stockholders	$ (4,153)	$ (5,881)	$ (12,752)	$ (15,638)
Basic net loss per common share	$ (0.24)	$ (0.37)	$ (0.75)	$ (1.02)
Diluted net loss per common share	$ (0.24)	$ (0.37)	$ (0.75)	$ (1.02)
Weighted average of common shares	18,882,015		18,303,912
Weighted unvested RSAs	(1,651,456)		(1,405,872)
Basic Weighted average of common shares outstanding	17,230,559	16,104,446	16,898,040	15,341,685
Diluted Weighted average of common shares outstanding	17,230,559	16,104,446	16,898,040	15,341,685