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Note 3 - Reserve for Sales Returns and Allowances (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Reserve for Sales Returns and Allowances [Table Text Block]
   

Years Ended December 31,

 
   

2022

   

2021

 

Balance at the beginning of year

  $ 2,636     $ 3,365  

Provision for returns and allowances

    4,512       4,911  

Actual returns and allowances paid to customers

    (5,058 )     (5,640 )

Balance at the end of year

  $ 2,090     $ 2,636