Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Lease Cost

Lease costs, amounts included in measurement of lease obligations and other information related to non-cancellable operating leases and finance leases were as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2021		2020		2021		2020
Finance lease costs:
Amortization of right-of-use assets	$	27	$	45	$	53	$	99
Interest on lease obligations	—		1		—		1
Finance lease costs	27		46		53		100
Operating lease cost	1,033		1,032		2,065		2,100
Short-term lease costs (1)	10		16		10		47
Sublease income	—		—		—		(55)
Total lease cost (2)	$	1,070	$	1,094	$	2,128	$	2,192

(1) Short-term lease costs on leases with terms of over one month and less than one year.

(2) The Company had no variable lease costs.

Other information:	Operating Leases
Weighted-average remaining lease term (in years)	6.2 years
Weighted-average discount rate	6.6	%

	Six months ended June 30,
Cash paid:	2021		2020
Operating cash flows from operating leases	$	2,093	$	774
Financing cash flows from finance leases	$	—	$	60

Operating Lease Maturity

As of June 30, 2021, our maturity analysis of annual undiscounted cash flows of the non-cancellable operating leases are as follows (in thousands):

Years ending December 31,	Operating Leases
2021 (remaining 6 months)	$	2,104
2022	4,285
2023	4,589
2024	4,726
2025	4,868
Thereafter	8,626
Total minimum lease payments	29,198
Less: imputed interest	5,534
Lease obligations	$	23,664

An estimated maturity analysis of the annual undiscounted cash flows of the lease is as follows (in thousands):

Years ending December 31,	Operating Lease
2021 (remaining 6 months)	$	—
2022	2,463
2023	2,988
2024	3,066
2025	3,145
2026 and thereafter	20,061
Total minimum lease payments	$	31,723

Schedule of Supply and Service Commitments

The following table provides quantitative data regarding our other commitments. Future minimum payments reflect amounts that we expect to pay including potential obligations under services agreements subject to risk of cancellation by us (in thousands):

Other Commitment Agreement Type	Agreement Date	Future Minimum Payment
Manufacture and supply agreement with expected future payment date of December 2022	April 2016	$	162
Development and manufacturing services agreements	September 2019	1,852
Total other commitments		$	2,014