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

Description

 

September 30,

2022 (unaudited)

  

Level I

(unaudited)

  

Level II

(unaudited)

  

Level III

(unaudited)

 

Assets:

                

Marketable securities:

                

Corporate bonds

 $100,701  $  $100,701  $ 

Investments in marketable equity securities

  648   648       
                 

Liabilities:

                

Foreign exchange contracts

  420      420    

Description

 

December 31, 2021

  

Level I

  

Level II

  

Level III

 

Assets:

                

Marketable securities:

                

Corporate bonds

 $90,298     $90,298    

Foreign exchange contracts

  63      63    

Investments in marketable equity securities

  2,919   2,919