Accounting policies - Additional Information (Details) gal in Millions		1 Months Ended
	Jun. 02, 2023 gal	Nov. 30, 2023 USD ($)	Jan. 31, 2023 USD ($) shares	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Oct. 01, 2023	Dec. 31, 2020	Dec. 31, 2019
Accounting policies
Common stock value				$ 9,567,140	$ 9,507,807
Goodwill				12,861,404	12,861,404
Intangible assets, net				$ 2,101,555	$ 2,696,815
Kalaeloa Desalco
Accounting policies
Amount of seawater reverse osmosis desalination plant | gal	1.7
PERC Water Corporation
Accounting policies
Ownership interest acquired			39.00%				61.00%	61.00%
Amount of consideration paid			$ 2,400,000
Shares of the Company's common stock | shares			368,383
Common stock value			$ 5,360,000
Ramey Environmental Compliance, Inc (REC)
Accounting policies
Ownership interest acquired						100.00%
Amount of consideration paid		$ 4,100,000
Goodwill		2,436,391
Intangible assets, net		$ 1,108,390