The Company leases certain office and lab space in South San Francisco, California under a non-cancelable operating lease, with a term through May 2022, and an option to renew for an additional five-year term. The optional renewal term was not considered in the Company’s right-of-use and lease liability.

In March 2019, the Company entered into a lease agreement for office space in San Diego, California under a non-cancelable operating lease with a 13-month term. In October 2019, the lease was amended to increase the office space and extend the term until May 2021. The lease was further amended in November 2020 to extend the lease term until December 2021.

The operating lease right-of-use assets and liabilities on the Company’s balance sheet for the period ended March 31, 2021 related to the Company’s facility leases. Upon adoption of ASC 842, facilities leases were classified as operating leases which resulted in recording right-of-use assets and lease liabilities of approximately $1.7 million and $2.5 million, respectively, as of January 1, 2021. The right-of-use assets are recorded on the balance sheet in other assets. The lease liabilities amount was included in other current liabilities and long-term operating lease liabilities for approximately $1.9 million and $0.6 million, respectively.

Certain of our facility leases require us to pay property taxes, insurance and common area maintenance. While these payments are not included as part of our lease liabilities, they are recognized as variable lease cost in the period they are incurred.

Operating lease costs under all operating leases including office spaces for the three months ended March 31, 2021 was approximately $0.3 million. Cash paid for all operating leases for the three months ended March 31, 2021 was $0.5 million. The weighted average discount rate used was 8.2%. The weighted-average remaining lease term for all operating leases was 1.06 years.

Future lease payments of operating lease liabilities as of March 31, 2021 were as follows (in thousands):

	Operating Leases
2021 remaining 9 months	$	1,464
2022		686
Total minimum lease payments		2,150
Less: interest		85
Present value of lease liabilities	$	2,065

Future minimum lease payments under non-cancelable operating leases as of December 31, 2020 were as follows (in thousands):


Year ending December 31,	Operating Leases
2021	$	1,942
2022		686
Total minimum lease payments	$	2,628

From time to time, the Company may be involved in legal proceedings arising in the ordinary course of business. The Company believes there is no threatened litigation or litigation pending that could have, individually or in the aggregate, a material adverse effect on the Company’s financial position, results of operations or cash flows.