Segment information - Revenues earned by major geographic region and major customer (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment information
Revenue	$ 132,073,368	$ 133,966,633	$ 180,211,233
Cayman Islands
Segment information
Revenue	37,840,267	37,137,424	41,728,340
Bahamas
Segment information
Revenue	29,298,791	29,675,947	31,221,633
United States
Segment information
Revenue	64,421,664	66,662,406	106,768,621
Revenue earned from management services agreement with OC-BVI
Segment information
Revenue	512,646	490,856	492,639
Water and sewerage corporation of the bahamas
Segment information
Revenue	$ 29,298,791	$ 29,675,947	$ 31,221,633
Percentage of consolidated revenues	22.00%	22.00%	17.00%
One Customer
Segment information
Revenue			$ 64,149,170
Percentage of consolidated revenues	0.00%	0.00%	36.00%