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Note 9 - Stock Based Compensation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2024
May 09, 2023
Share-Based Payment Arrangement, Expense $ 32  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 52  
Stock Incentive Plan 2023 [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)   120,000
Stock Incentive Plan 2023 [Member] | Restricted Stock Award [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 1 year