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Note 7 - Commitments and Contingencies | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | 7. Commitments and Contingencies Operating Leases The Company leases office and laboratory facilities for its principal operations in Hayward, California, and office facilities for its corporate headquarters in Miami, Florida. These lease arrangements are both classified as operating leases. Supplemental balance sheet information related to leases (in thousands):
|  | September 30, |  |  | December 31, |
Assets: |  | 2025 |  |  | 2024 |
Right-of-use assets |  | $ | 6,316 |  |  | $ | 7,163 |
|  | September 30, |  |  | December 31, |
Liabilities: |  | 2025 |  |  | 2024 |
Current operating lease liabilities |  | $ | 1,519 |  |  | $ | 1,355 |
Non-current operating lease liabilities |  |  | 6,371 |  |  |  | 7,543 |
Total lease liabilities |  | $ | 7,890 |  |  | $ | 8,898 |
Total cash paid for operating lease liabilities (in thousands):
|  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |
Cash paid for operating lease liabilities |  | $ | 1,617 |  |  | $ | 1,425 |
Maturities of operating lease liabilities were as follows (in thousands):
Year ending December 31: |  |  |  |
2025 (remaining 3 months) |  | $ | 533 |
2026 |  |  | 2,225 |
2027 |  |  | 2,302 |
2028 |  |  | 2,381 |
2029 |  |  | 2,080 |
Thereafter |  |  | 73 |
Total lease payments |  |  | 9,594 |
Less imputed interest |  |  | (1,704 | )
Total lease liabilities |  | $ | 7,890 |
Weighted-average remaining lease term and discount rate, as of September 30, 2025, were as follows:
Weighted-average remaining lease term |  |  | 4.13 |
Weighted-average discount rate |  |  | 9.8 | %
Rent expense, including common area maintenance charges, was approximately $0.6 million for each of the three-months ended September 30, 2025 and 2024, and approximately $1.9 million and $1.8 million for the nine-months ended September 30, 2025 and 2024, respectively. Legal Proceedings From time to time, we may be involved in various legal proceedings arising in the ordinary course of business. We are not presently a party to any legal proceedings that, in the opinion of management, could have a material adverse effect on our results of operations or financial condition. Regardless of outcome, however, any litigation could have an adverse impact on us because of defense and settlement costs, diversion of management resources, negative publicity, reputational harm, and other factors.

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