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Note C - Revenue Recognition - Changes in Unearned Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Unearned Revenue, beginning of period $ 1,803 $ 3,000
Additional Unearned Revenue 0 12,608
Revenue recognized 1,803 13,805
Unearned Revenue, end of period $ 0 $ 1,803