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v3.21.1

Fair Value Measurement - Schedule of Fair Value Measurements Change in Level 3 Inputs (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Liabilities, fair value |  |
Transition of derivative warrant liability to equity on pre-funded warrants |  |
Change in fair value of warrant derivative liabilities | (24,552,257) |
Liabilities, fair value | 26,529,205 |
Warrant Derivative Liability [Member] |  |
Liabilities, fair value |  |
Liabilities, fair value | 26,663,802 |
January 14, 2021 Offering [Member] | Warrant Derivative Liability [Member] |  |
Issuance of detachable warrants | 21,922,158 |
Issuance of detachable pre-funded warrants | 378,615 |
February 1, 2021 Offering [Member] | Warrant Derivative Liability [Member] |  |
Issuance of detachable warrants | 27,476,352 |
Issuance of detachable pre-funded warrants | $ 1,438,934 |

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- Definition Change in fair value of warrant derivative liabilities. + References No definition available. + Details
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- Definition Issuance of detachable pre-funded warrants. + References No definition available. + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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- Details
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