Leases (Tables)

12 Months Ended

Dec. 31, 2020

The components of lease expense were as follows:


	Year ended December 31,
	2020		2019
Operating lease cost	$	2,755	$	2,160

Finance lease cost:
Amortization of right-of-use assets	$	176	$	75
Interest on lease liabilities	21		20
	$	197	$	95

Supplemental balance sheet information related to leases was as follows:


	Year ended December 31,
	2020			2019
Operating leases:
Operating lease right-of-use assets	$	10,936		$	2,598
Operating lease liabilities, current	1,437			2,219
Operating lease liabilities	10,158			677

Finance leases:
Property and equipment, gross	$	429		$	429
Property and equipment, accumulated depreciation	(176)			(75)
Other liabilities, current	93			87
Other liabilities	174			275

Weighted-average remaining lease term:
Operating leases	5.2 years			1.3 years
Finance leases	2.9 years			3.7 years

Weighted-average discount rate:
Operating leases	10.8		%	10.3		%
Finance leases	6.9		%	6.9		%

Supplemental cash flow information related to leases was as follows:


	Year ended December 31,
	2020		2019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	2,394	$	2,271
Operating cash flows from finance leases	21		20
Financing cash flows from finance leases	116		87

Future minimum lease payments under non-cancellable leases as of December 31, 2020 were as follows:


	Operating leases		Finance leases
2021	$	2,772	$	116
2022	2,843		84
2023	2,928		74
2024	3,016		18
2025 and thereafter	3,888		—
Total lease payments	15,447		292
Present value adjustment	(3,854)		(25)
Present value of lease liabilities	$	11,593	$	267

Future minimum lease payments under non-cancellable leases as of December 31, 2020 were as follows:


	Operating leases		Finance leases
2021	$	2,772	$	116
2022	2,843		84
2023	2,928		74
2024	3,016		18
2025 and thereafter	3,888		—
Total lease payments	15,447		292
Present value adjustment	(3,854)		(25)
Present value of lease liabilities	$	11,593	$	267