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Note 2 - Revenue (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three months ended March 31, |
|  | 2026 |  |  | 2025 |
Total product revenue, net |  | $ | 201,308 |  |  | $ | 119,655 |
License, milestone, royalty and other revenue |  |  | 3,610 |  |  |  | 1,201 |
Total Revenue |  | $ | 204,918 |  |  | $ | 120,856 |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three months ended March 31, |
|  | 2026 |  |  | 2025 |
Customer 1 |  |  | 42 | % |  |  | 39 | %
Customer 2 |  |  | 27 | % |  |  | 34 | %
Customer 3 |  |  | 20 | % |  |  | 16 | %
Customer 4 |  |  | 9 | % |  |  | 11 | %
|  | March 31, 2026 |  |  | December 31, 2025 |
Customer 1 |  |  | 38 | % |  |  | 38 | %
Customer 2 |  |  | 19 | % |  |  | 18 | %
Customer 3 |  |  | 28 | % |  |  | 27 | %
Customer 4 |  |  | 13 | % |  |  | 15 | %

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