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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2024
Employee And Nonemployee Stock Option Restricted Stock Units |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs |
Schedule of Stock-Based Compensation Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023
Cost of goods sold (1) | ​ | $ | 304 | ​ | $ | 236 | ​ | $ | 552 | ​ | $ | 361
Research and development | ​ |  | 2,266 | ​ |  | 3,370 | ​ |  | 4,460 | ​ |  | 8,831
Selling, general and administrative | ​ |  | 4,661 | ​ |  | 6,471 | ​ |  | 9,538 | ​ |  | 13,167
Stock-based compensation expense | ​ | $ | 7,231 | ​ | $ | 10,077 | ​ | $ | 14,550 | ​ | $ | 22,359
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Stock-based compensation expense capitalized into inventory | ​ | $ | 400 | ​ | $ | 193 | ​ | $ | 794 | ​ | $ | 324

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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