REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 9,889,257	$ 19,586,929	$ 43,235,536	$ 54,793,176
Relative percentage	100.00%	100.00%	100.00%	100.00%
CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 3,463,121	$ 5,430,834	$ 21,862,154	$ 16,947,760
Relative percentage	35.00%	28.00%	51.00%	31.00%
Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 6,426,136	$ 14,156,095	$ 21,373,382	$ 37,845,416
Relative percentage	65.00%	72.00%	49.00%	69.00%
Equipment systems
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 3,720,174	$ 3,035,758	$ 9,624,514	$ 10,629,327
Equipment systems | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	3,720,174	3,035,758	9,624,514	10,629,327
Equipment systems | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	0	0	0	0
Services
Disaggregation of Revenue [Line Items]
Total revenues and other income	1,913,246	2,898,741	7,404,843	9,399,968
Services | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	764,890	468,872	2,530,200	3,282,025
Services | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	1,148,356	2,429,869	4,874,643	6,117,943
Construction design-build
Disaggregation of Revenue [Line Items]
Total revenues and other income	4,172,110	13,466,093	25,915,018	34,253,900
Construction design-build | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	(1,105,670)	1,739,867	9,416,279	2,526,427
Construction design-build | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	5,277,780	11,726,226	16,498,739	31,727,473
Other
Disaggregation of Revenue [Line Items]
Total revenues and other income	83,727	186,337	291,161	509,981
Other | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	83,727	186,337	291,161	509,981
Other | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 0	$ 0	$ 0	$ 0