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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Net income $ 2,436 $ 3,738 $ 4,768 $ 4,932
Other comprehensive income (loss):        
Net unrealized gain on interest-rate swap contracts 0 0 0 35
Foreign currency translation adjustments (319) (95) (466) (114)
Total pretax net unrealized (loss) (319) (95) (466) (79)
Income tax expense 0 0 0 9
Total other comprehensive (loss), net of taxes (319) (95) (466) (88)
Total comprehensive income $ 2,117 $ 3,643 $ 4,302 $ 4,844