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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) | 12 Months Ended
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Aug. 31, 2021 subsidiary
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract] |
Number of wholly-owned and controlled subsidiaries | 2

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- Definition Number of wholly-owned and controlled subsidiaries. + References No definition available. + Details
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Namespace Prefix: | pcyo_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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