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Operating Leases | 12 Months Ended
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Dec. 31, 2023
Leases [Abstract] |
Operating Leases | 5. Operating Leases The Company leases its laboratory and office facilities in South San Francisco for approximately 29,000 square feet with an expiration date in July 2024. In June 2023, we entered into a lease agreement for approximately 44,000 square feet of space at 5000 Shoreline Court, South San Francisco, California. The estimated commencement date is June 2024 and the lease term is one hundred twenty months. The Company has the option to extend the lease term for two consecutive five-year periods. In November 2023, we entered into a lease agreement for approximately 5,700 square feet of space at 11710 El Camino Real, San Diego, California for corporate office space. The lease commenced in December 2023 and expires in March 2028. We have an option to renew the lease for 3 years. The Company recorded a right-of-use asset and lease liability related to the lease upon its commencement date in December 2023. As of December 31, 2023, the balances of the right-of-use asset and the lease liability were $1.3 million each. Future minimum lease payments under operating leases included on the Company's balance sheet are as follows:
|  | As of |
(in thousands) |  | December 31, 2023 |
2024 |  |  | 1,897 |
2025 |  |  | 387 |
2026 |  |  | 398 |
2027 |  |  | 410 |
2028 |  |  | 106 |
Total future minimum lease payments |  |  | 3,198 |
Less: imputed interest |  |  | (326 | )
Total operating lease liabilities |  |  | 2,872 |
The following table summarizes other information about the Company's operating leases:
|  | As of December 31,
|  | 2023 |  | 2022
Weighted-average remaining lease term |  | 2.4 |  | 1.6
Weighted-average discount rate |  | 8.0% |  | 6.9%
Operating lease costs were $1.7 million for each of the years ended December 31, 2023, 2022 and 2021. Variable lease costs were $1.4 million, $1.0 million, and $1.0 million for the years ended December 31, 2023, 2022, and 2021, respectively. Variable lease costs represent additional costs incurred, related to administration, maintenance and property tax costs incurred, which are billed based on both usage and as a percentage of the Company's share of total square footage. During the years ended December 31, 2023, 2022 and 2021, cash paid for amounts included in the measurement of lease liabilities and included within cash used in operating activities in the statement of cash flows was $2.0 million, $2.0 million and $1.9 million, respectively.

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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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