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Consolidated Statement of Stockholders' Equity (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Income tax benefit $ 25,000 $ 17,000 $ 75,000 $ 51,000
Interest rate swaps:        
Income tax benefit (expense) 44,000 166,000 76,000 166,000
Foreign currency hedging derivatives:        
Income tax benefit (expense) $ (192,000) $ (159,000) $ 50,000 $ (159,000)