Related-Party Transactions - Additional Information (Detail) - Cellectis [Member] - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Related Party Transaction [Line Items] | ||||
| Minimum net worth required | $ 300,000,000 | $ 300,000,000 | ||
| General and Administrative Expense [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Related party transaction, expenses from transactions with related party | $ 100,000 | $ 300,000 | 200,000 | $ 1,100,000 |
| License and Royalty Fees [Member] | ||||
| Related Party Transaction [Line Items] | ||||
| Related party transaction, expenses from transactions with related party | $ 100,000 | |||
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- Definition The lowest amount of net worth (total assets minus total liabilities) required by secondary market investors or state-imposed regulatory mandates. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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