REVENUE - Schedule of Sales by Industry (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenues	$ 181,931	$ 172,161	$ 147,593
Commercial [Member]
Disaggregation Of Revenue [Line Items]
Revenues	116,693	115,102	84,488
Healthcare [Member]
Disaggregation Of Revenue [Line Items]
Revenues	33,970	19,739	30,130
Government [Member]
Disaggregation Of Revenue [Line Items]
Revenues	13,446	16,564	16,012
Education [Member]
Disaggregation Of Revenue [Line Items]
Revenues	11,970	14,073	11,632
License fees from Construction Partners [Member]
Disaggregation Of Revenue [Line Items]
Revenues	840	778	738
Product [ Member]
Disaggregation Of Revenue [Line Items]
Revenues	176,919	166,256	143,000
Installation and other services [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 5,012	$ 5,905	$ 4,593