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Organization and Summary of Significant Accounting Policies (Organization) (Details)	6 Months Ended
	Jun. 30, 2017 product
Product Information [Line Items]
Number of products that entered in the commercial marketplace	3
Products Derived from Cabozantinib [Member]
Product Information [Line Items]
Number of products that entered in the commercial marketplace	2

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Number of Products in Commercial Market

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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