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Note 10 - Long-term Debt - Long Term Debt (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022 | Jan. 01, 2022
Interest expense | $ 3,761 | $ 2,239 | $ 7,314 | $ 2,521 |  |
Interest expense | 3,761 | $ 2,239 | 7,314 | $ 2,521 |  |
Pharmakon Loan [Member] |  |  |  |  |  |
Long-term debt at closing of Pharmakon loan |  |  |  |  |  | $ 100,000
Capitalized costs and discounts |  |  |  |  |  | $ (4,217)
Interest expense |  |  | 7,314 |  | $ 8,438 |
Amounts paid | (6,555) |  | (6,555) |  | (6,685) |
Carrying value of Pharmakon loan as of December 31, 2022 | $ 98,296 |  | 98,296 |  | 97,537 |
Interest expense |  |  | $ 7,314 |  | $ 8,438 |

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