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Note 5 - Certain Balance Sheet Accounts | 12 Months Ended
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Dec. 31, 2023
Notes to Financial Statements |
Supplemental Balance Sheet Disclosures [Text Block] | Note 5—Certain Balance Sheet Accounts Receivables Receivables consists of the following:
|  | December 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (In thousands) |
OMIDRIA milestone receivable |  | $ | — |  |  | $ | 200,000 |
OMIDRIA royalty receivables |  |  | 6,724 |  |  |  | 12,966 |
Other receivables |  |  | 1,372 |  |  |  | 255 |
Total receivables |  | $ | 8,096 |  |  | $ | 213,221 |
Property and Equipment, Net Property and equipment, net consists of the following:
|  | December 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (In thousands) |
Equipment under finance leases |  | $ | 6,929 |  |  | $ | 6,204 |
Laboratory equipment |  |  | 3,525 |  |  |  | 3,135 |
Computer equipment |  |  | 1,113 |  |  |  | 1,076 |
Office equipment and furniture |  |  | 624 |  |  |  | 625 |
Total cost |  |  | 12,191 |  |  |  | 11,040 |
Less accumulated depreciation and amortization |  |  | (10,241 | ) |  |  | (9,548 | )
Total property and equipment, net |  | $ | 1,950 |  |  | $ | 1,492 |
For the years ended December 31, 2023, 2022 and 2021, depreciation and amortization expenses were $0.9 million, $1.0 million and $1.4 million, respectively. Accrued Expenses Accrued expenses consist of the following:
|  | December 31, |  |  | December 31, |
|  | 2023 |  |  | 2022 |
|  | (In thousands) |
Clinical trials |  | $ | 10,168 |  |  | $ | 5,536 |
Employee compensation |  |  | 7,380 |  |  |  | 6,665 |
Contract research and development |  |  | 6,223 |  |  |  | 3,209 |
Interest payable |  |  | 4,242 |  |  |  | 5,172 |
Consulting and professional fees |  |  | 3,539 |  |  |  | 4,425 |
Other accrued expenses |  |  | 316 |  |  |  | 5,544 |
Total accrued expenses |  | $ | 31,868 |  |  | $ | 30,551 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//210/tableOfContent + Details
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