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FAIR VALUE MEASUREMENTS (Details) - item	May 31, 2023	Aug. 31, 2022
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: