XML 42 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Note 7 - Other Assets (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Other Assets, Noncurrent [Table Text Block]
  

September 30,

  

December 31,

 
  

2021

  

2020

 

Cash surrender value of life insurance policies (1)

 $17,773  $26,167 

Deposits

  1,937   2,182 

Other

  1,699   2,510 

Total other assets

 $21,409  $30,859