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Note 5 - Cash, Cash Equivalents and Restricted Cash (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  

June 30,

  

December 31,

 

 

2021

  

2020

 

Cash and cash equivalents

 $44,013  $43,425 

Restricted cash

  6,486   6,689 

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

 $50,499  $50,114