Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Cash, Cash Equivalents and Investments (Tables)

v3.22.2.2
Note 5 - Cash, Cash Equivalents and Investments (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Cash, Cash Equivalents and Investments [Table Text Block]
   

Total

   

Quoted prices in active markets (Level 1)

   

Significant other observable inputs (Level 2)

   

Significant unobservable inputs (Level 3)

 

September 30, 2022

                               

Money market funds, included in cash equivalents

  $ 25,183     $ 25,183     $     $  

Investments - US treasuries

    2,674       2,674              

Investments - Foreign treasuries

    894       894              

Investments - Asset-backed securities

    497             497        

Investments - Corporate bonds

    17,335             17,335        

Total

  $ 46,583     $ 28,751     $ 17,832     $  
   

Total

   

Quoted prices in active markets (Level 1)

   

Significant other observable inputs (Level 2)

   

Significant unobservable inputs (Level 3)

 

December 31, 2021

                               

Money market funds, included in cash equivalents

  $ 56,885     $ 56,885     $     $  

Total

  $ 56,885     $ 56,885     $     $  
Debt Securities, Available-for-Sale [Table Text Block]
   

Contractual maturity

                                 
   

(in days)

   

Amortized Cost

   

Unrealized gains

   

Unrealized losses

   

Fair Value

 

Investments

                                     

US treasuries

  6-153     $ 2,676     $     $ (2 )   $ 2,674  

Foreign treasuries

  166       898             (4 )     894  

Asset-backed securities

  107       500             (3 )     497  

Corporate bonds

  1-251       17,244       126       (35 )     17,335  

Total

        $ 21,318     $ 126     $ (44 )   $ 21,400