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v3.21.1

Stockholders' Equity (Deficit) - Summary of Common Stock Warrants Outstanding (Detail) - $ / shares | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Aug. 21, 2020
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 3,481,314 |
Exercise Price |  | $ 4.75
Class of Warrant One [Member] |  |
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 196,135 |
Exercise Price | $ 5.76 |
Termination Date | Jul. 08, 2024 |
Class of Warrant Two [Member] |  |
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 700,000 |
Exercise Price | $ 7.16 |
Termination Date | Nov. 02, 2023 |
Class of Warrant Three [Member] |  |
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 551,378 |
Exercise Price | $ 3.99 |
Class of Warrant Four [Member] |  |
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 131,816 |
Exercise Price | $ 4.67 |
Termination Date | Aug. 14, 2023 |
Class of Warrant Five [Member] |  |
Class of Warrant or Right [Line Items] |  |
Common Stock Warrants | 1,901,985 |
Exercise Price | $ 4.75 |
Termination Date | Feb. 25, 2024 |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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