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Note 4 - Supplemental Cash Flow Information - Schedule of Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Cash paid for:    
Interest $ 1,912 $ 1,038
Income taxes, net of refunds 8,112 5,033
Non-cash investing and financing activities:    
Capital additions accrued but not yet paid 218 208
Operating lease right of use asset 1,524 289
Operating lease liabilities $ (1,560) $ (289)