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FAIR VALUE MEASUREMENTS (Details) | Aug. 31, 2022 item Asset | Aug. 31, 2021 Asset item
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Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] |  |
Fair Value Measurements [Abstract] |  |
Number of assets | Asset | 0 | 0
Number of liabilities | item | 0 | 0
Significant Other Observable Inputs (Level 2) [Member] |  |
Fair Value Measurements [Abstract] |  |
Number of assets | Asset |  | 0
Number of liabilities | item | 2 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value Measurements [Abstract] |  |
Number of assets | Asset | 1 | 1
Number of liabilities | item | 1 | 1

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- Definition Number of assets available in each level of input. + References No definition available. + Details
Name: | pcyo_NumberOfAssets
Namespace Prefix: | pcyo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of liabilities available in each level of input. + References No definition available. + Details
Name: | pcyo_NumberOfLiabilities
Namespace Prefix: | pcyo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |