NET (LOSS) INCOME PER COMMON SHARE (Earnings per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended																12 Months Ended
	Mar. 31, 2024		Dec. 31, 2023		Sep. 30, 2023		Jun. 30, 2023		Mar. 31, 2023		Dec. 31, 2022		Sep. 30, 2022		Jun. 30, 2022		Mar. 31, 2024		Mar. 31, 2023		Mar. 31, 2022
Numerator:
Net (loss) income (dollars in thousands)	$ 1,610	[1]	$ (2,256)	[1]	$ (4,388)	[1]	$ (6,637)	[1]	$ (5,116)	[2]	$ (24,059)	[2]	$ (2,331)	[2]	$ (2,835)	[2]	$ (11,671)	[1]	$ (34,341)	[2]	$ 6,091
Denominator:
Weighted-average common shares outstanding	32,486,000		32,531,000		32,503,000		32,346,000		32,294,000		32,048,000		31,031,000		31,138,000		32,486,240		31,703,712		31,018,356
Weighted-average effect of assumed conversion of stock options and restricted stock																	0		0		276,217
Weighted-average common shares and share equivalents outstanding	33,965,000		32,531,000		32,503,000		32,346,000		32,294,000		32,048,000		31,031,000		31,138,000		32,486,240		31,703,712		31,294,573
Net (loss) income per common share: Basic
Basic net (loss) income per share attributable to common shareholders	$ 0.05	[1]	$ (0.07)	[1]	$ (0.14)	[1]	$ (0.21)	[1]	$ (0.16)	[2]	$ (0.75)	[2]	$ (0.07)	[2]	$ (0.09)	[2]	$ (0.36)	[1]	$ (1.08)	[2]	$ 0.2
Net (loss) income per common share: Diluted
Diluted net (loss) income per share	$ 0.05	[1]	$ (0.07)	[1]	$ (0.14)	[1]	$ (0.21)	[1]	$ (0.16)	[2]	$ (0.75)	[2]	$ (0.07)	[2]	$ (0.09)	[2]	$ (0.36)	[1]	$ (1.08)	[2]	$ 0.19

[1] Includes $3.0 million reversal of prior period recognized earnout expense related to the Voltrek earnout compensation in the three months ended March 31, 2024.

[2] Includes $17.8 million of tax expense related to the booking of the valuation allowance on deferred tax assets during the three months ended December 31, 2022.