Accounting policies - Additional Information (Details) gal in Millions		1 Months Ended
	Jun. 02, 2023 gal	Nov. 30, 2023 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Oct. 01, 2023
Goodwill.			$ 12,861,404	$ 12,861,404
Intangibles, net			$ 2,532,722	$ 2,696,815
Kalaeloa Desalco
Amount of seawater reverse osmosis desalination plant | gal	1.7
Ramey Environmental Compliance, Inc (REC)
Ownership interest acquired					100.00%
Amount of consideration paid		$ 4,100,000
Goodwill.		2,436,391
Intangibles, net		$ 1,108,390