For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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Name:	us-gaap_AccountsReceivableRelatedParties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Related Party - AstraZeneca PLC (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Management [Member] \| Transactions With AstraZeneca PLC [Member]
Related Party Transaction [Line Items]
Revenue from related parties	$ 20	$ 400	$ 100	$ 400
Accounts receivable from related parties	$ 0		$ 0		$ 300
Director [Member]
Related Party Transaction [Line Items]
Contract term as BOD member			3 years