Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Components of Lease Costs

The components of the lease costs for the three and nine months ended September 30, 2021 and 2020, were as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Operating lease costs	$	524	$	606	$	1,571	$	2,195
Finance lease costs:
Amortization of right-to-use assets, finance leases		279		183		650		539
Interest expense for finance lease liabilities		52		29		106		94
Variable lease costs		358		216		743		431
Total lease costs	$	1,213	$	1,034	$	3,070	$	3,259

Supplemental Cash Flow Information Relating to Leases

Supplemental cash flow information relating to the Company’s leases for the nine months ended September 30, 2021 and 2020 was as follows (in thousands):

	Nine Months Ended September 30,
	2021		2020
Cash paid for amounts included in the measurement    of lease liabilities:
Operating cash flows used in (provided by)    operating leases	$	2,060	$	(3,793	)
Operating cash flows used in finance leases	$	593	$	437
Financing cash flows used in finance leases	$	106	$	94

Summary of Weighted Average Remaining Lease Terms and Discount Rates

Weighted average remaining lease terms and discount rates as of September 30, 2021 and 2020 were as follows:

	Nine Months Ended September 30,
	2021			2020
Remaining lease term:
Operating lease	8.59 years			9.59 years
Finance lease	2.61 years			2.99 years
Discount Rate:
Operating lease		10.50	%		10.50	%
Finance lease		8.75	%		8.1	%

Summary of Undiscounted Future Lease Payments for Operating and Finance Leases

The undiscounted future lease payments for operating and finance leases as of September 30, 2021, were as follows (in thousands):

Fiscal Year	Operating Leases			Finance Leases
2021 (excluding the first, second and third quarter)	$	631		$	309
2022		2,581			1,183
2023		2,659			969
2024		2,732			345
2025		2,814			—
Thereafter		12,925			—
Total minimum lease payments		24,342			2,806
Less amounts representing interest or imputed interest		(8,436	)		(270	)
Present value of lease liabilities	$	15,906		$	2,536