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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2022
Commitments and Contingencies |
Commitments and Contingencies | 10. Commitments and Contingencies General Please refer to Note 4 — Significant Contracts for further discussion of certain of the Company’s commitments and contingencies. Leases In October 2000, the Company entered into a twenty-five-year lease for its research and development facility in Dundee, Scotland. In May 2021, the Company vacated its former facility in Dundee, Scotland and assigned the related lease and all future commitments to a third party. Accordingly, the Company derecognized the associated right-of-use lease asset of $1.1 million as well as the associated lease liability of $1.2 million, with the balancing $0.1 million credited to general and administrative expenses. Costs of $0.4 million relating to the assignment of the lease were also recorded within the consolidated statement of operations. In April 2022, the Company extended for a further three years, expiring in July 2025, the lease for its corporate headquarters facility in Berkeley Heights, New Jersey. Rent expense, which includes lease payments related to the Company’s research and development facilities and corporate headquarters and other rent related expenses was $0.2 million for the year ended December 31, 2021 and decreased to $0.1 million for the year ended December 31, 2022, the reduction due to the assignment of the Company’s former facility in Dundee, Scotland. Rent expense is reported as a component of General and Administrative expense. The following is a summary of the Company’s future contractual obligations and commitments relating to its facilities lease as at December 31, 2022 (in thousands):
​ | ​ | ​ | ​
​ |  | Operating Lease
​ |  | Obligation
2023 | ​ | $ | 63
2024 | ​ |  | 65
2025 | ​ |  | 38
2026 | ​ |  | —
2027 | ​ |  | —
thereafter | ​ |  | —
Total future minimum lease obligation | ​ | $ | 166
​

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