Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

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 for the year ended December 31, 2020 and 2019 were as follows (in thousands):

	Year Ended December 31,
	2020		2019
Amortization of right-of-use assets	$	152	$	217
Interest on lease obligations	1		10
Finance lease costs	153		227
Operating lease cost	3,879		4,556
Short-term lease costs (1)	47		—
Sublease income	(55)		(957)
Total lease cost (2)	$	4,024	$	3,826
(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.

Amounts included in measurement of lease obligations:

	Year Ended December 31,
	2020			2019
Cash paid:
Operating cash flows from operating leases	$	2,816		$	3,279
Operating cash flow from finance leases	$	1		$	10
Financing cash flows from finance leases	$	60		$	242
Non-cash activity:
Operating Lease - Right-of-use assets obtained in exchange for lease liabilities	$	—		$	26,617
Finance Lease - Right-of-use assets obtained in exchange for lease liabilities	$	—		$	493
	Operating Lease			Finance Lease
Other information:
Weighted-average remaining lease term (in years)	5.5 years			—
Weighted-average discount rate	6.6		%	5.0		%

Operating Lease Maturity

As of December 31, 2020, our maturity analyses of annual undiscounted cash flows of the non-cancellable operating leases are as follows (in thousands):

Years ending December 31,	Operating Leases
2021	$	4,197
2022	4,285
2023	4,589
2024	4,726
2025	4,868
Thereafter	8,626
Total minimum lease payments	31,291
Less: imputed interest	6,340
Lease obligations	$	24,951

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

Years ending December 31,	Operating lease
2021	$	208
2022	2,091
2023	2,582
2024	2,659
2025	2,739
Thereafter	17,690
Total minimum lease payments	27,969
Less: imputed interest	5,328
Lease obligations	$	22,641

Schedule of Supply Commitment

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	$	320
Development and manufacturing services agreements	September 2019	2,341
Total other commitments		$	2,661