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Note 7 - Other Assets (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Other Assets, Noncurrent [Table Text Block]
  

June 30,

 

December 31,

  

2021

 

2020

Cash surrender value of life insurance policies (1)

 $27,261 $26,167

Deposits

 1,830 2,182

Other

 1,990 2,510

Total other assets

 $31,081 $30,859