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Non-operating expenses
12 Months Ended
Dec. 31, 2022
Non-operating Expenses  
Non-operating expenses

Note 35.      Non-operating expenses

 

Non-operating expenses consisted of the following:

           
  12 months ended December 31,
USD'000 2022   2021   2020
Foreign exchange losses 3,618   2,146   2,195
Financial charges 56   158   104
Interest expense 565   893   685
Other components of defined benefit plans, net 14   (78)   248
Impairment of equity securities at cost -   -   7,000
Accounts receivable write-off 1,282   -   -
Other 16   307   847
Total non-operating expenses from continuing operations 5,551   3,426   11,079

 

The accounts receivable write-off relates to a debt that WISeKey paid on behalf of arago GmbH in 2022. In line with the recoverability assessment performed on the purchase price of arago (see Note 14), management believes that there is a significant risk around this receivable from arago and has recorded a credit loss in the full amount of the debt.