Related Party Transactions - Additional Information (Detail) - USD ($) |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Due to related parties, current | $ 200,000 | $ 200,000 | $ 200,000 | $ 100,000 |
| Due from related parties, current | 0 | 100,000 | ||
| Summer Bio [Member] | ||||
| Expenses from Transactions with Related Party | 500,000 | 0 | ||
| Due to related parties, current | 100,000 | |||
| Related party transaction, amounts of transaction | 100,000 | |||
| Due from related parties, current | 200,000 | |||
| Summer Bio [Member] | Research and Development Expense [Member] | ||||
| Revenue from related parties | 200,000 | |||
| Office Space And Certain Utilities And Maintenance Services [Member] | ||||
| Expenses from Transactions with Related Party | $ 700,000 | $ 800,000 | $ 1,500,000 | $ 1,500,000 |
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- Definition The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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