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Note 4 - Other Financial Information (Tables) | 6 Months Ended
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Jun. 30, 2023
Notes Tables |
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] |
|  | June 30, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
Accounts payable |  | $ | 4,659 |  |  | $ | 5,527 |
Accrued sales reserves |  |  | 2,721 |  |  |  | 618 |
Accrued clinical expenses |  |  | 2,054 |  |  |  | 2,853 |
Accrued research and development expenses |  |  | 1,003 |  |  |  | 1,285 |
Accrued selling, general and administrative expenses |  |  | 2,836 |  |  |  | 1,609 |
Accrued other expenses |  |  | 3,130 |  |  |  | 491 |
Total accounts payable and accrued expenses |  | $ | 16,403 |  |  | $ | 12,383 |
Interest Income and Interest Expense Disclosure [Table Text Block] |
|  | Six Months Ended June 30, |
|  | 2023 |  |  | 2022 |
Interest income |  | $ | 1,080 |  |  | $ | 28 |
Other income (expense), net |  |  | (45 | ) |  |  | 98 |
Total interest and other income (expense), net |  | $ | 1,035 |  |  | $ | 126 |

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