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Leases | 3 Months Ended
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Mar. 31, 2021
Leases |
Leases | 7. Leases ​ Operating Leases In September 2015, the Company’s subsidiary entered into a long-term lease agreement for laboratory and office space totaling approximately 94,000 square feet in Austin, Texas. The lease term is 132 months beginning in December 2015 and expiring in November 2026 with monthly payments beginning in December 2016. In October 2016, the Company entered into a lease directly with its landlord for laboratory and office spaces at its facilities located in San Carlos, California. The Company currently occupies approximately 113,000 square feet comprised of two office spaces (the “First Space” and the “Second Space”). The First Space covers approximately 88,000 square feet, and the Second Space totals approximately 25,000 square feet. The term of this lease is approximately 84 months and expires in October 2023. This lease contains an option to renew the lease term for five years, but the fair market rent amount upon renewal is not available from the landlord. In January 2021, the Company entered into an amendment of the lease to extend the term for 48 months to October 2027. The combined annual rent for the First Space and Second Space will be $9.3 million commencing in October 2023. The Company entered into a lease agreement commencing June 2018 for its cord blood tissue storage facility in Tukwila, Washington that covers approximately 10,000 square feet. The lease term is 62 months expiring in July 2023. The Company has the option to extend this lease for five years, and the fair market rent upon renewal is not determinable. However, since the Company sold its business related to cord blood and tissue storage in September 2019, the Company has subleased the facility and does not intend to exercise its option to renew the facility upon expiration. In addition, the Company entered into a sublease agreement in June 2019 with a third party to sublease 25,879 square feet of space located on the third floor of the San Carlos, California building while maintaining its primary obligation as the intermediate lessor. The term of this lease is approximately 48 months commencing in October 2019 and expiring in September 2023. The annual lease payment starts at $1.9 million and will escalate annually commencing in October 2020. In February 2021, the Company entered into an amendment of the San Carlos sublease agreement whereas the third party will initially return approximately 3,474 rentable square feet with the remainder of the subleased premises, consisting of approximately 22,405 rentable square feet, between October 2021 and December 2021. For the three months ended March 31, 2021, the Company had noncash investing activities of $29.7 million related to additional right-of-use assets primarily as a result of the San Carlos lease extension which was accounted for as a modification under ASC 842. The Company entered into a lease agreement in November 2020 to lease 11,395 square feet of space located in South San Francisco, California over a 36-month term. The premises will be used for general office, laboratory and research use. The annual lease payment starts at $0.9 million and will escalate annually commencing in December 2021. The Company has also historically entered into leases of individual workspaces at various locations on both a month-to-month basis, typically without an established lease term, and more recently for certain locations, have committed to terms approximating three years. For the facilities without a committed lease term, the Company has elected to not recognize them as the right-of-use assets on the balance sheet as they are all considered short-term leases. For individual workspaces where the committed lease term exceeds one year, the Company will record a right-of-use asset. The operating lease right-of-use assets are classified as noncurrent assets in the balance sheet. The corresponding lease liabilities are separated into current and long-term portions as follows: ​
​ | ​ | ​
​ | March 31,
​ | 2021
​ | ​ | (in thousands)
Operating lease liabilities, current portion included in other accrued liabilities | $ | 6,049
Operating lease liabilities, long-term portion | ​ | 50,811
Total operating lease liabilities | $ | 56,860
​ The initial recognition of the operating lease liabilities was measured as the present value of the future minimum lease payments using a discount rate determined as of January 1, 2019. The operating right-of-use assets was calculated as the operating lease liabilities discounted at the present value, less the amount of unamortized tenant improvement allowance and deferred rent. The discount rate used was the Company’s incremental borrowing rate given that the implicit rate to each lease was not readily determinable. In accordance with ASC 842, the incremental borrowing rate was estimated as the annual percentage yield resulting from a corporate debt financing over a loan term approximating the remaining term of each lease, with the effect of certain credit risk rating. As of March 31, 2021, the weighted-average remaining lease term was 4.0 years and the weighted-average discount rate was 7.51%. The Company continues to recognize lease expense on a straight-line basis. The lease expense includes the amortization of the right-of-assets with the associated interest component estimated by applying the effective interest method. For the three months ended March 31, 2021 and 2020, total lease expense of $2.7 million and $1.9 million was recognized in the condensed statements of operations and comprehensive loss, respectively. Cash paid for amounts in the measurement of operating lease liabilities totaled $2.5 million and $2.2 million for the three months ended March 31, 2021 and 2020, respectively. The present value of the future annual minimum lease payments under all non-cancellable operating leases as of March 31, 2021 are as follows: ​
​ | ​ | ​
​ | Operating Leases
​ | (in thousands)
Year ending December 31: | ​ | ​
2021 (remaining 9 months) | $ | 7,519
2022 | ​ | 10,289
2023 | ​ | 10,953
2024 | ​ | 11,795
2025 | ​ | 12,119
2026 and thereafter | ​ | 20,019
​ | ​ | 72,694
Less: imputed interest | ​ | (15,834)
Operating lease liabilities | $ | 56,860
​

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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