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Contracts in progress (Tables) | 12 Months Ended
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Dec. 31, 2023
Contracts in progress. |
Summary of information relative to revenue recognized and amounts billed on contracts in progress | Revenue recognized and amounts billed on contracts in progress are summarized as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | December 31,
​ | ​ | ​ | 2023 | ​ | 2022
Revenue recognized to date on contracts in progress |  | ​ | $ | 108,952,682 |  | $ | 25,469,014
Amounts billed to date on contracts in progress | ​ | ​ |  | (101,724,459) | ​ |  | (33,407,182)
Retainage | ​ | ​ | ​ | 8,087,823 | ​ | ​ | 2,047,969
Net contract asset/(liability) | ​ | ​ | $ | 15,316,046 | ​ | $ | (5,890,199)
​ The above net balances are reflected in the accompanying consolidated balance sheet as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | December 31,
​ | ​ | ​ | 2023 | ​ | 2022
Contract assets |  | ​ | $ | 21,553,057 |  | $ | 2,913,722
Contract liabilities | ​ | ​ |  | (6,237,011) | ​ |  | (8,803,921)
Net contract asset/(liability) | ​ | ​ | $ | 15,316,046 | ​ | $ | (5,890,199)

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- Definition Tabular disclosure for revenue recognized and amounts billed with regard to contracts with customers in progress. + References No definition available. + Details
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Namespace Prefix: | cwco_
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Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration