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Property and Equipment, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Property and Equipment, Net |
Schedule of property and equipment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31,
​ | ​ | 2021 | ​ | 2020
​ | ​ | (In thousands)
Laboratory equipment | ​ | $ | 8,581 | ​ | $ | 8,566
Manufacturing equipment |  | ​ | 2,571 |  | ​ | 2,630
Office furniture and equipment |  | ​ | 3,362 |  | ​ | 3,409
Leasehold improvements |  | ​ | 9,531 |  | ​ | 10,103
Construction in progress |  | ​ | 632 |  | ​ | 344
Total property and equipment |  | ​ | 24,677 |  | ​ | 25,052
Less: accumulated depreciation and amortization |  | ​ | (21,126) |  | ​ | (21,237)
Property and equipment, net | ​ | $ | 3,551 | ​ | $ | 3,815
​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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