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Note 5 - Receivables and Allowance for Credit Losses (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   

September 30,

   

December 31,

 
   

2023

   

2022

 

Accounts receivable–trade

  $ 61,694     $ 55,850  

Less allowance for credit losses

    (726 )     (733 )

Receivables, net

  $ 60,968     $ 55,117  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
   

Allowance for Credit
Losses

 
   

Nine Months Ended
September 30,

 
   

2023

   

2022

 

Allowance - beginning of period

  $ 733     $ 519  

Provision (adjustment) for expected credit losses

    (5 )     275  

Amounts written off against the allowance

    (11 )     (53 )

Recoveries

    9       -  

Allowance - end of period

  $ 726     $ 741