REVENUE FROM CONTRACTS WITH CUSTOMERS - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 17,945,249	$ 18,451,476	$ 33,346,286	$ 35,206,247
Relative percentage	100.00%	100.00%	100.00%	100.00%
CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 14,520,711	$ 6,499,128	$ 18,788,029	$ 11,516,926
Relative percentage	81.00%	35.00%	56.00%	33.00%
Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 3,424,538	$ 11,952,348	$ 14,558,257	$ 23,689,321
Relative percentage	19.00%	65.00%	44.00%	67.00%
Equipment systems
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 3,398,696	$ 4,688,534	$ 5,904,345	$ 7,593,569
Equipment systems | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	3,398,696	4,688,534	5,904,345	7,593,569
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	2,357,806	3,030,574	5,491,598	6,501,227
Services | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	1,009,450	1,255,978	1,877,357	2,813,153
Services | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	1,348,356	1,774,596	3,614,241	3,688,074
Construction design-build
Disaggregation of Revenue [Line Items]
Total revenues and other income	12,059,096	10,592,469	21,742,909	20,787,807
Construction design-build | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	9,982,914	414,717	10,798,893	786,560
Construction design-build | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	2,076,182	10,177,752	10,944,016	20,001,247
Other
Disaggregation of Revenue [Line Items]
Total revenues and other income	129,651	139,899	207,434	323,644
Other | CEA
Disaggregation of Revenue [Line Items]
Total revenues and other income	129,651	139,899	207,434	323,644
Other | Commercial
Disaggregation of Revenue [Line Items]
Total revenues and other income	$ 0	$ 0	$ 0	$ 0