Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of lease liability maturity analysis and future minimum rentals to be received

Future minimum payments under the above-described noncancelable operating leases, including a reconciliation to the lease liabilities recognized in the Condensed Consolidated Balance Sheets, and future minimum rentals to be received under the Sub-Sublease as of June 30, 2020, are as follows (in thousands):

Year Ended December 31,	Operating Leases		Sub-Sublease Rental
2020 (6 months)	3,040		1,438
2021	6,165		2,944
2022	6,350		3,047
2023	6,535		3,019
Total	22,090		$	10,448
Less: Present value adjustment	(1,625)
Nominal lease payments	(11)
Lease liability	$	20,454

Schedule of Contractual Obligations by Fiscal Year Maturity

The following is a summary of the Company's non-cancelable purchase commitments and contractual obligations as of June 30, 2020 (in thousands):

	Total		2020		2021		2022		2023		2024		Thereafter
Purchase Obligations (1)	$	3,959	$	3,959	$	—	$	—	$	—	$	—	$	—
Contractual obligations under license agreements (2)	1,075		285		95		80		80		70		465
Total	$	5,034	$	4,244	$	95	$	80	$	80	$	70	$	465

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⁽¹⁾ Purchase obligations consist of non-cancelable purchase commitments to suppliers.

⁽²⁾ Excludes future obligations pursuant to the cost-sharing arrangement under the Company's License Agreement with Roche. Amounts of such obligations, if any, cannot be determined at this time.