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Note 13 -Subsequent Events (Details Textual) - Subsequent Event [Member] $ in Millions | 3 Months Ended
--- | ---
Apr. 21, 2020 USD ($)
Applied Funding Under Small Business Administration Programs | $ 3.2
Maximum [Member] |
Applied Funding Under Small Business Administration Economic Disaster Loan | $ 2.0

X
- Definition The amount of funding for which the company has applied for under Small Business Administration Economic Disaster Loan. + References No definition available. + Details
Name: | ppih_AppliedFundingUnderSmallBusinessAdministrationEconomicDisasterLoan
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of funding for which the company has applied for under Small Business Administration Programs. + References No definition available. + Details
Name: | ppih_AppliedFundingUnderSmallBusinessAdministrationPrograms
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |