XML 27 R12.htm IDEA: XBRL DOCUMENT
v3.24.1

Property and Equipment, Net | 12 Months Ended
--- | ---
Dec. 31, 2023
Property and Equipment, Net |
Property and Equipment, Net | 5. Property and Equipment, Net Property and equipment consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
(in thousands) |  | 2023 |  | 2022
​ | ​ | ​ | ​ | ​ | ​ | ​
Research equipment | ​ | $ | 18,634 | ​ | $ | 17,244
Leasehold improvements | ​ |  | 9,309 | ​ |  | 9,336
Computer equipment | ​ |  | 908 | ​ |  | 908
Furniture and fixtures | ​ |  | 186 | ​ |  | 186
Construction in progress | ​ |  | 225 | ​ |  | 853
Property and equipment, gross | ​ |  | 29,262 | ​ |  | 28,527
Less: accumulated depreciation and amortization | ​ |  | (20,229) | ​ |  | (16,630)
Property and equipment, net | ​ | $ | 9,033 | ​ | $ | 11,897
​ Construction in progress at December 31, 2023 and 2022 consists of the costs incurred for research equipment and for the build-out of additional lab and office space. Depreciation and amortization expense was $3.7 million and $4.1 million for the years ended December 31, 2023 and 2022, respectively.

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 360 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//360/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 6 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 7 -SubTopic 360 -Topic 958 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480321/958-360-50-7 + Details
Name: | us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration