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Other income, net
 12 Months Ended
Dec. 31, 2020
Other Income and Expenses [Abstract]  
Other income, net Other income, net
Other income is presented for all periods (in thousands):
 December 31
20202019
Interest income$490 $1,542 
Foreign exchange gains (losses)5 (16)
Other expenses(44)(9)
$451 $1,517