XML 30 R23.htm IDEA: XBRL DOCUMENT v3.21.4
Note 2 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
      

Fair value measurement

     

Recurring fair value measurement

 

Total Fair

Value

  

Quoted prices in active markets for identical
assets

(Level 1)

  

Significant other
observable
inputs

(Level 2)

  

Significant
unobservable
inputs

(Level 3)

  

Total gains

 
    $    $    $    $    $ 
                     

As of December 31, 2020 (audited)

                    

Liabilities:

                    

Forward liability (Note 3)

  278   -   -   278   - 

As of September 30, 2021 (unaudited)

                    

Assets:

                    

Available-for-sale debt securities

  1,645   -   1,645   -   - 

Trading debt securities

  12,521   -   12,521   -   105 

Total assets measured at fair value

  14,166   -   14,166   -   105 

Liabilities

                    

Forward liability (Note 3)

  278   -   -   278   - 

Total liabilities measured at fair value

  278   -   -   278   - 
Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]
  

Valuation technique

 

Unobservable inputs

 

Range

Forward liability

 

Discounted cash flow

 

Fair value of underlying security

 

2.65

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
  

Forward liability

 
    $ 
     

Balance as of December 31, 2020 (audited)

  278 

Gains or losses from changes in fair value

  - 
     

Balance as of September 30, 2021 (unaudited)

  278