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Other investments (Tables)
12 Months Ended
Dec. 31, 2022
Other investments  
Other investments

    

December 31, 2022

    

December 31, 2021

Other investments - current

 

  

 

  

1-3 Month T-Bill ETF (BIL) - at fair value through profit or loss

 

14,818

 

1.5% US treasury notes - at amortized cost

 

35,547

 

 

50,365

 

Other investments - non-current

 

  

 

  

1.7% federal bonds German Government - at fair value through other comprehensive income

 

2,969

 

iShares 20+ Year Treasury Bond ETF (TLT) - at fair value through profit or loss

 

14,934

 

 

17,903