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FAIR VALUE MEASUREMENTS (Details) - item | Feb. 28, 2023 | Aug. 31, 2022
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Fair Value, Recurring |  |
Fair Value Measurements [Abstract] |  |
Number of assets | 0 | 0
Number of liabilities | 0 | 0
Significant Unobservable Inputs (Level 3) [Member] |  |
Fair Value Measurements [Abstract] |  |
Number of liabilities |  | 1

X
- 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

X
- 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

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

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |