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Note 6 - Fair Value Measurement (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

Description

 

June 30, 2022

(unaudited)

  

Level I

(unaudited)

  

Level II

(unaudited)

  

Level III

(unaudited)

 

Assets:

                

Marketable securities:

                

Corporate bonds

 $102,972  $—  $102,972  $— 

Investments in marketable equity securities

  1,103   1,103   —   — 
                 

Liabilities:

                

Foreign exchange contract

  595   —   595   — 

Description

 

December 31, 2021

  

Level I

  

Level II

  

Level III

 

Assets:

                

Marketable securities:

                

Corporate bonds

 $90,298   —  $90,298   — 

Foreign exchange contract

  63   —   63   — 

Investments in marketable equity securities

  2,919   2,919   —   —