Accounting policies - Additional Information (Details) gal in Millions		1 Months Ended		12 Months Ended
	Jun. 02, 2023 gal	Nov. 30, 2023 USD ($)	Jan. 31, 2023 USD ($) shares	Dec. 31, 2024 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 shares	Oct. 01, 2023	Jan. 04, 2023	Dec. 31, 2020	Dec. 31, 2019
Shares of the Company's common stock | shares				0	368,383	0
Goodwill.				$ 12,861,404	$ 12,861,404
Intangibles, net				$ 2,696,815	$ 3,353,185
Kalaeloa Desalco
Amount of seawater reverse osmosis desalination plant | gal	1.7
PERC Water Corporation
Ownership interest acquired			39.00%					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)
Ownership interest acquired							100.00%
Amount of consideration paid		$ 4,100,000
Goodwill.		2,436,391
Intangibles, net		$ 1,108,390