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Note 6 - Claims Liabilities (Details Textual) - USD ($)
Dec. 31, 2024
Sep. 01, 2020
Per Occurrence Deductibles $ 25,000  
Self Insurance Auto Liability Claims Threshold Amount   $ 2,000,000
Workers Compensation Self Insured Retention 500,000  
Workers Compensation Per Occurrence Excess Policy 500,000  
Stop Loss for Self Insurance for Employee Health Claims Per Covered Employee Per Year 400,000  
Minimum [Member]    
Workers Compensation Excess Coverage, Amount 1,000,000  
Maximum [Member]    
Workers Compensation Excess Coverage, Amount 10,000,000  
Auto Liability Coverage [Member]    
Self Insurance Auto Liability Claims Threshold Amount $ 2,000,000