Related-Party Transactions - Additional Information (Detail) - USD ($) |
3 Months Ended | |
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Mar. 31, 2020 |
Mar. 31, 2019 |
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| Cellectis [Member] | ||
| Related Party Transaction [Line Items] | ||
| Minimum net worth required | $ 300,000,000 | |
| Cellectis [Member] | License and Royalty Fees [Member] | ||
| Related Party Transaction [Line Items] | ||
| Related party transaction, expenses from transactions with related party | 33,000 | $ 25,000 |
| University of Minnesota [Member] | License, Milestone Payments, Royalties and Legal Fees [Member] | ||
| Related Party Transaction [Line Items] | ||
| Related party transaction, expenses from transactions with related party | 12,000 | 4,000 |
| General and Administrative Expense [Member] | Cellectis [Member] | ||
| Related Party Transaction [Line Items] | ||
| Related party transaction, expenses from transactions with related party | $ 62,000 | $ 361,000 |
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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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