In February 2015, the Company entered into a noncancelable operating lease for approximately 31,280 square feet of space used for its current laboratory and corporate headquarters. In April 2020, the Company extended the lease term. The lease expires on November 30, 2027 and includes an option to extend the term for a period of three years with rent payments equal to then current fair market rental for the space. The Company determined the extension option is not reasonably certain to be exercised. The lease contains a leasehold improvement incentive and escalating rent payments.

In August 2019, the Company entered into a noncancelable operating lease for a co-located data center space. The lease expires on August 31, 2022 and includes an option to extend the term for a period of three years immediately following the expiration of the term with rent payments to be negotiated upon such a renewal. The Company determined the extension option is not reasonably certain to be exercised. In April 2020, the lease was modified to increase the data center space available for the Company’s use for the remainder of the lease term.

Operating lease cost for the three months ended September 30, 2020 and 2019 was $0.6 million and $0.3 million, respectively, and for the nine months ended September 30, 2020 and 2019 was $1.6 million and $0.8 million, respectively.

As of September 30, 2020, the Company’s operating leases had a weighted-average remaining lease term of 6.6 years and a weighted-average discount rate of 10.7%. The Company’s discount rates are based on estimates of its incremental borrowing rate, as the discount rates implicit in the Company’s leases cannot be readily determined. Future lease payments under operating leases as of September 30, 2020 were as follows (in thousands):

	Amount
2020 (remaining three months)	$	505
2021		2,558
2022		2,194
2023		2,046
2024		2,113
2025 and thereafter		6,560
Total future minimum lease payments		15,976
Less: imputed interest		(4,777	)
Present value of future minimum lease payments		11,199
Less: current portion of operating lease liability		(2,302	)
Long-term operating lease liabilities	$	8,897

Cash paid for operating lease liabilities, included in cash flows from operating activities in the condensed consolidated statement of cash flows, for the nine months ended September 30, 2020 and 2019, was $1.2 million and $0.8 million, respectively. Right-of-use assets obtained in exchange for new operating lease liabilities during the nine months ended September 30, 2020 and 2019 were $9.8 million and $2.8 million, respectively, including the impact of adopting ASU 2016-02, Leases (Topic 842) in the first quarter of 2019.