The Company leases certain office space, laboratory facilities, and equipment. These leases require monthly lease payments that may be subject to annual increases throughout the lease term. Certain of these leases also include renewal options at the election of the Company to renew or extend the lease for an additional three years. These optional periods have not been considered in the determination of the right-of-use-assets or lease liabilities associated with these leases as the Company did not consider it reasonably certain it would exercise the options. The Company performed evaluations of its contracts and determined it has both operating and finance leases.

The following table summarizes the Company’s recognition of its operating and finance leases (in thousands):

	Classification	March 31, 2019
Assets
Operating	Other non-current assets	$	621
Finance	Other non-current assets		78
Total leased assets			699

Liabilities
Current
Operating	Operating lease liabilities		317
Finance	Accrued and other current liabilities		26
Non-current
Operating	Non-current operating lease liabilities		372
Finance	Other non-current liabilities		52
Total lease liabilities		$	767

The following table summarizes the weighted-average remaining lease term and discount rates for the Company’s operating and finance leases:

	March 31, 2019
Lease term (years)
Operating leases		2.0
Finance leases		2.8

Discount rate
Operating leases	9.5%
Finance leases	9.5%

For the three months ended March 31, 2019 and 2018, the Company incurred $0.1 million and $0.1 million of rent expense, respectively, included in operating expenses in the results of operations in relation to its operating leases. Cash paid for amounts included in the measurement of operating lease liabilities for the three months ended March 31, 2019 was $0.1 million and was included in net cash used in operating activities in the cash flows.

The maturities of the Company’s operating and finance lease liabilities as of March 31, 2019 were as follows (in thousands):

	Operating Leases			Finance Leases
2019 (excluding the three months ended March 31, 2019)	$	265		$	24
2020		409			32
2021		83			32
Total lease payments		757			88
Less:
Imputed interest		(68	)		(10	)
Total	$	689		$	78

As of December 31, 2018, future annual minimum lease payments, as defined under the previous lease accounting guidance of ASC Topic 840, due under non-cancelable operating leases at December 31 of each year are as follows (in thousands):

2019	$	397
2020		409
2021		83
Thereafter		—
Total minimum lease payments	$	889