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Note 14 - Subsequent Events (Details Textual) | 12 Months Ended
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Oct. 31, 2020
Revolving Lines, North America [Member] |
Line of Credit Facility, Covenant, Fixed Charge Coverage Ratio | 1.1

X
- Definition Represents the fixed charge coverage ratio required pursuant to the covenant terms under a line of credit facility. + References No definition available. + Details
Name: | ppih_LineOfCreditFacilityCovenantFixedChargeCoverageRatio
Namespace Prefix: | ppih_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=ppih_RevolvingLinesNorthAmericaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |