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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2025
Stock-Based Compensation |
Schedule of Stock-Based Compensation Expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
(in thousands) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Cost of goods sold (1) | ​ | $ | 106 | ​ | $ | 304 | ​ | $ | 368 | ​ | $ | 552
Research and development | ​ |  | 2,131 | ​ |  | 2,266 | ​ |  | 3,841 | ​ |  | 4,460
Selling, general and administrative | ​ |  | 3,184 | ​ |  | 4,661 | ​ |  | 6,584 | ​ |  | 9,538
Stock-based compensation subtotal | ​ | ​ | 5,421 | ​ | ​ | 7,231 | ​ | ​ | 10,793 | ​ | ​ | 14,550
Less: Stock-based compensation from discontinued operations | ​ | ​ | (255) | ​ | ​ | (372) | ​ | ​ | (581) | ​ | ​ | (875)
Total stock-based compensation expense from continuing operations | ​ | $ | 5,166 | ​ | $ | 6,859 | ​ | $ | 10,212 | ​ | $ | 13,675
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Total stock-based compensation expense capitalized into inventory | ​ | $ | 43 | ​ | $ | 400 | ​ | $ | 286 | ​ | $ | 794
(1) Stock-based compensation capitalized into inventory is recognized as cost of goods sold when the related product is sold.

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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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