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Note 11 - Treasury Stock (Details Textual) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Sep. 30, 2023	Aug. 31, 2023	Jul. 31, 2023	Jan. 31, 2025	Jan. 31, 2024	Dec. 07, 2022	Oct. 04, 2021
Share Repurchase Program, Authorized, Amount						$ 1	$ 3
Stock Repurchase Program, Authorized Repurchase Amount Used					$ 1
Stock Repurchased During Period, Shares (in shares)	10	62	37	0	109

X

- Definition

Amount used of the stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	ppih_
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Balance Type:	credit
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X

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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X

- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 946
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Balance Type:	na
Period Type:	duration