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Note 1 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Twelve Months Ended

 
  

December 31,

 
  

2021

  

2020

  

2019

 

Grocery (including Online), Mass and Club

 $356,965  $272,008  $206,550 

Pet Specialty and Natural

  68,524   46,782   39,312 

Net Sales (a)

 $425,489  $318,790  $245,862