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v3.22.2.2

Note 11 - Treasury Stock and Repurchase Program (Details Textual) | Oct. 31, 2022 USD ($)
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Stock Repurchase Program, Authorized Amount | $ 3,000,000

X
- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant