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Certain Balance Sheet Accounts | 12 Months Ended
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Dec. 31, 2022
Certain Balance Sheet Accounts |
Certain Balance Sheet Accounts | Note 7—Certain Balance Sheet Accounts Property and Equipment, Net Property and equipment, net consists of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2022 | ​ | 2021
​ | ​ | (In thousands)
Equipment under finance leases | ​ | $ | 6,204 | ​ | $ | 5,979
Laboratory equipment | ​ |  | 3,135 | ​ |  | 3,091
Computer equipment | ​ |  | 1,076 | ​ |  | 1,069
Office equipment and furniture | ​ |  | 625 | ​ |  | 625
Total cost | ​ |  | 11,040 | ​ |  | 10,764
Less accumulated depreciation and amortization | ​ |  | (9,548) | ​ |  | (9,033)
Total property and equipment, net | ​ | $ | 1,492 | ​ | $ | 1,731
​ For the years ended December 31, 2022, 2021 and 2020, depreciation and amortization expenses were $1.0 million, $1.4 million and $1.6 million, respectively. Accrued Expenses Accrued expenses consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2022 | ​ | 2021
​ | ​ | (In thousands)
Employee compensation | ​ | $ | 6,665 | ​ | $ | 3,706
Clinical trials | ​ | ​ | 5,536 | ​ | ​ | 2,430
Interest payable | ​ | ​ | 5,172 | ​ | ​ | 5,172
Income taxes payable | ​ | ​ | 4,871 | ​ | ​ | 338
Consulting and professional fees | ​ | ​ | 4,425 | ​ | ​ | 7,455
Contract research and development | ​ | ​ | 3,209 | ​ | ​ | 3,916
Sales rebates, fees and discounts | ​ |  | — | ​ |  | 8,442
Other accrued expenses | ​ |  | 673 | ​ |  | 1,675
Total accrued expenses | ​ | $ | 30,551 | ​ | $ | 33,134
​

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
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