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Leases | 6 Months Ended
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Jun. 30, 2024
Leases [Abstract] |
Leases | LEASES The Company has lease agreements for its facility in Boston, Massachusetts, which is the Company’s principal executive office and Vienna, Austria, which is the Company’s research and development center. There are no restrictions or financial covenants associated with any of the lease agreements. The Company has an operating lease for approximately 1,200 square meters of laboratory and office space in Vienna, Austria (“Vienna Lease”), that commenced in February 2021 for a term of 7 years. The annual base rent for the Vienna Lease is approximately $282 thousand. The Company also leases approximately 28,000 square feet of office space in Boston, Massachusetts (“Boston Lease”), which serves as the Company’s headquarters. Base rental payments are approximately $1.1 million annually, plus certain operating expenses. The term of the Boston Lease will continue until November 2026, unless earlier terminated. The Company has the right to renew the Boston Lease for an additional five years at the then prevailing effective market rental rate. The Company is required to maintain a security deposit in the form of a letter of credit for $0.6 million for the benefit of the landlord. As the Company’s leases do not provide an implicit rate, the Company estimated the incremental borrowing rate in calculating the present value of the lease payments. The Company utilizes its incremental borrowing rates, which are the rates incurred to borrow on a collateralized basis over a similar term and amount equal to the lease payments in a similar economic environment. The components of lease expense for the three and six months ended June 30, 2024 and 2023 were as follows:
(dollars in thousands) | Three Months Ended June 30, |  | Six Months Ended June 30, |  |
Lease Cost | 2024 |  | 2023 |  | 2024 |  | 2023 |  |  |  |
Fixed operating lease cost | $ | 489 |  | $ | 521 |  |  | $ | 978 |  | $ | 1,043 |  |  |  |  |
Total lease expense | $ | 489 |  | $ | 521 |  |  | $ | 978 |  | $ | 1,043 |  |  |  |  |
Other information |  |  |  |  |  |  |  |  |  |  |
Operating cash outflows from operating leases | $ | 343 |  |  | $ | 345 |  |  | $ | 687 |  |  | $ | 691 |  |  |  |  |
Sublease income | $ | — |  |  | $ | 48 |  |  | $ | — |  |  | $ | 97 |  |  |  |  |
Weighted-average remaining lease term—operating leases | 2.7 |  | 3.6 |  | 2.7 |  | 3.6 |  |  |  |
Weighted-average discount rate—operating leases | 11.5 | % |  | 11.4 | % |  | 11.5 | % |  | 11.4 | % |  |  |  |
Maturities of lease liabilities due under lease agreements that have commenced as of June 30, 2024 are as follows (in thousands):
Maturity of lease liabilities | Operating Leases
2024 (remainder of the year) | $ | 688 |
2025 | 1,402 |
2026 | 1,332 |
2027 | 280 |
2028 | 47 |
Total lease payments | 3,749 |
Less: interest | (551) |
Total operating lease liabilities as of June 30, 2024 | $ | 3,198 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//842-20/tableOfContent + Details
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