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Note 5 - Property and Equipment, Net | 9 Months Ended
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Sep. 30, 2024
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | Note 5. Property and Equipment, Net Property and equipment, net, as of September 30, 2024 and December 31, 2023 were as follows:
|  | September 30, |  |  | December 31, |
(in thousands) |  | 2024 |  |  | 2023 |
Lab equipment |  | $ | 3,437 |  |  | $ | 4,092 |
Office equipment |  |  | 178 |  |  |  | 178 |
Computer software |  |  | 459 |  |  |  | 459 |
Leasehold improvements |  |  | 9,983 |  |  |  | 9,983 |
Construction in progress |  |  | 1,452 |  |  |  | 1,438 |
|  |  | 15,509 |  |  |  | 16,150 |
Less accumulated depreciation |  |  | (7,472 | ) |  |  | (6,887 | )
Total property and equipment, net |  | $ | 8,037 |  |  | $ | 9,263 |
Depreciation expense recorded in research and development expense and general and administrative expense during the three and nine months ended September 30, 2024 and 2023 was as follows:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(in thousands) |  | 2024 |  |  | 2023 |  |  | 2024 |  |  | 2023 |
General and administrative |  | $ | 67 |  |  | $ | 66 |  |  | $ | 200 |  |  | $ | 200 |
Research and development |  |  | 339 |  |  |  | 373 |  |  |  | 1,040 |  |  |  | 1,083 |
Total depreciation expense |  | $ | 406 |  |  | $ | 439 |  |  | $ | 1,240 |  |  | $ | 1,283 |

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