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Other Income (Expense), net
 6 Months Ended
Jun. 30, 2020
Other Income and Expenses [Abstract]  
Other Income (Expense), net Other Income (Expense), net
Other income (expense), net consists of (in thousands):
 Three Months Ended
June 30,		Six Months Ended
June 30,
 2020201920202019
Interest income$8  $127  $32  $147  
Interest expense(976) (1,468) (1,693) (2,995) 
Foreign currency loss217  134  (584) (463) 
Other expense(6) 7  (6) (1) 
Total other expense, net$(757) $(1,200) $(2,251) $(3,312)