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Fair Value Measurements - Additional Information (Detail) - Significant Unobservable Inputs (Level 3) | Jun. 30, 2022
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Stock Price Volatility |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Derivative liabilities, unobservable inputs rate | 67.3
Stock Price Volatility | Minimum |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Warrant liabilities, stock price volatility rate | 87.9
Stock Price Volatility | Maximum |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Warrant liabilities, stock price volatility rate | 94.1
Stock Price Volatility | Weighted Average |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Warrant liabilities, stock price volatility rate | 88.0
Market Credit Spread |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Derivative liabilities, unobservable inputs rate | 1,636
Estimated Yield |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Derivative liabilities, unobservable inputs rate | 19.3
Discounts for Lack of Marketability | March 2019 Notes |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |
Senior convertible notes, unobservable inputs rate | 1.3

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