Fair Value Measurements - Additional Information (Detail) - shares		3 Months Ended
Jun. 29, 2016	Mar. 31, 2018
Intrexon Corporation/Precigen \| Series 1 Preferred Stock
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Issuance of stock in a license agreement (in shares)	100,000	3,624

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.

No definition available.

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