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v3.23.3

Note J - Treasury Stock (Details Textual) - USD ($) | Sep. 30, 2023 | Jan. 14, 2022
--- | --- | ---
Stock Repurchase Program, Authorized Amount |  | $ 18,000,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 716,000 |

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

X
- Definition Amount remaining of a stock repurchase plan authorized. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant