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Note 11 - Leases (Details Textual) د.إ in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2025 USD ($) | Oct. 31, 2024 USD ($) | Oct. 31, 2025 USD ($) | Oct. 31, 2025 AED (د.إ)
Operating Lease, Expense | $ 1.2 | $ 0.6 |  |
Minimum [Member] |  |  |  |
Lessee, Finance Lease, Term of Contract (Year) | 1 year |  | 1 year | 1 year
Maximum [Member] |  |  |  |
Lessee, Finance Lease, Term of Contract (Year) | 15 years |  | 15 years | 15 years
Qatar Land Lease [Member] |  |  |  |
Lessee, Operating Lease, Annual Payment |  |  | $ 0.1 | د.إ 0.3
Lessee, Operating Lease, Term of Contract (Year) | 20 years |  | 20 years | 20 years
Qatar Land and Building Lease [Member] |  |  |  |
Lessee, Operating Lease, Annual Payment |  |  | $ 0.5 | د.إ 1.9
Lessee, Operating Lease, Term of Contract (Year) | 3 years |  | 3 years | 3 years
Lessee, Operating Lease, Escalation Percent | 10.00% |  | 10.00% | 10.00%

X
- Definition Represents the amount of payment expected to be made per year under operating lease of lessee. + References No definition available. + Details
Name: | ppih_LesseeOperatingLeaseAnnualPayment
Namespace Prefix: | ppih_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percent at which rent will increase each year. + References No definition available. + Details
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Namespace Prefix: | ppih_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
Name: | us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 4 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479041/842-20-45-4 + Details
Name: | us-gaap_OperatingLeaseExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=ppih_QatarLandLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=ppih_QatarLandAndBuildingLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |