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Note 9 - Credit Facility, Term Loans and Warrants (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | December 31, 2023 |  |  | December 31, 2024 |
MidCap Credit Facility |  | $ | 11,515 |  |  | $ | 7,252 |
Less: deferred debt issuance costs |  |  | (226 | ) |  |  | (192 | )
Less: discount associated with issuance of warrants |  |  | (191 | ) |  |  | (112 | )
Total MidCap Credit Facility |  | $ | 11,098 |  |  | $ | 6,948 |
Interest Income and Interest Expense Disclosure [Table Text Block] |
|  | December 31, |  |  | December 31, |
|  | 2023 |  |  | 2024 |
Interest expense |  | $ | 2,125 |  |  | $ | 1,218 |
Interest income |  |  | (704 | ) |  |  | (269 | )
Total interest expense, net |  | $ | 1,421 |  |  | $ | 949 |

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