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Note E - Cash, Cash Equivalents and Restricted Cash (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

December 31,

  

December 31,

 
  

2021

  

2020

 

Cash and cash equivalents

 $34,656  $43,425 

Restricted cash

  6,480   6,689 

Total cash, cash equivalents and restricted cash shown in the statement of cash flows

 $41,136  $50,114