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Accounting policies - Additional Information (Details) $ in Thousands, gal in Millions |  |  | 1 Months Ended
--- | --- | --- | ---
Jun. 02, 2023 gal | Jan. 04, 2023 USD ($) shares | Jan. 31, 2023 USD ($)
PERC Water Corporation |  |  |
Ownership interest held |  | 100.00% |
Kalaeloa Desalco |  |  |
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal | 1.7 |  |
PERC Water Corporation |  |  |
Ownership interest acquired |  | 39.00% | 39.00%
Shares of the Company's common stock | shares |  | 368,383 |
Cash |  | $ 2,400 | $ 7,800
Common stock value |  | $ 5,360 |

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