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Note 14 - Subsequent Events (Details Textual)	12 Months Ended
	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: