XML 90 R78.htm IDEA: XBRL DOCUMENT
v3.20.1

Note 11 - Stock Rights (Details Textual) | 12 Months Ended
--- | ---
Jan. 31, 2020 $ / shares
Price of PPIH Common Stock With Right (in dollars per share) | $ 25

X
- Definition The Price of PPIH common stock with Right. + References No definition available. + Details
Name: | ppih_PriceOfPpihCommonStockWithRight
Namespace Prefix: | ppih_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration