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Other Expense, Net (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Other Expense, Net        
Interest expense $ 27 $ 37 $ 44 $ 73
Charitable contributions 41 13 42 16
Other income (3) (3) (4) (5)
Other expense, net $ 65 $ 47 $ 82 $ 84