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Note 5 - Workers' Compensation Insurance and Reserves (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Changes in Workers Compensation Claims Liability [Table Text Block]
   

December 31,

   

December 31,

 
   

2021

   

2020

 

Estimated future claims liabilities at the beginning of the period

  $ 4,584,068     $ 3,844,501  

Claims paid during the period

    (5,026,668 )     (3,779,286 )

Additional future claims liabilities recorded during the period

    8,691,752       4,518,853  

Estimated future claims liabilities at the end of the period

  $ 8,249,152     $ 4,584,068