Leases (Tables)

3 Months Ended

Mar. 31, 2021

Leases [Abstract]

Components of Lease Costs

The components of the lease costs for the three months ended March 31, 2021 and 2020, were as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Operating lease costs	$	524	$	889
Finance lease costs:
Amortization of right-to-use assets, finance leases		178		176
Interest expense for finance lease liabilities		24		34
Variable lease costs		232		107
Total lease costs	$	958	$	1,206

Supplemental Cash Flow Information Relating to Leases

Supplemental cash flow information relating to the Company’s leases for the three months ended March 31, 2021 and 2020 was as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Cash paid for amounts included in the measurement    of lease liabilities:
Operating cash flows used in (provided by)    operating leases	$	797	$	(1,513	)
Operating cash flows used in finance leases	$	155	$	142
Financing cash flows used in finance leases	$	24	$	34

Summary of Weighted Average Remaining Lease Terms and Discount Rates

Weighted average remaining lease terms and discount rates as of March 31, 2021 and 2020 were as follows:

	Three Months Ended March 31,
	2021			2020
Remaining lease term:
Operating lease		9.09			9.87
Finance lease		2.60			3.47
Discount Rate:
Operating lease		10.50	%		10.45	%
Finance lease		8.12	%		7.71	%

Summary of Undiscounted Future Lease Payments for Operating and Finance Leases

The undiscounted future lease payments for operating and finance leases as of March 31, 2021, were as follows (in thousands):

Fiscal Year	Operating Leases			Finance Leases
2021 (excluding the first quarter)	$	1,893		$	534
2022		2,581			459
2023		2,659			245
2024		2,732			—
2025		2,814			—
Thereafter		12,925			—
Total minimum lease payments		25,604			1,238
Less amounts representing interest or imputed interest		(9,272	)		(100	)
Present value of lease liabilities	$	16,332		$	1,138