Inventories	12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]
Inventories	5.Inventories The Group’s inventory balance of $3,822 as of December 31, 2018 is a finished drug product purchased from Tesaro Inc.(“Tesaro”) for distribution in Hong Kong.

The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 330
-URI http://asc.fasb.org/topic&trid=2126998

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