Annual report pursuant to Section 13 and 15(d)

Note 5 - Fair Value Measurements (Tables)

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Note 5 - Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Debt Securities, Available-for-sale [Table Text Block]
       

December 31, 2021

   

December 31, 2020

 
   

Fair Value Level1

 

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

   

Adjusted Cost

   

Gross Unrealized Losses

   

Fair Value

 

Money market funds

 

Level 1

  $ 20,711     $     $ 20,711     $ 21,042     $     $ 21,042  

Time deposits

 

Level 2

                      5,458             5,458  

Government and municipal debt securities

 

Level 2

    14,006       (2 )     14,004       30,280       (5 )     30,275  

Corporate debt securities

 

Level 2

    31,863       (16 )     31,847       11,621       (6 )     11,615  

Total investments

      $ 66,580     $ (18 )   $ 66,562     $ 68,401     $ (11 )   $ 68,390