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v3.21.1

Subsequent Events - Additional Information (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Feb. 18, 2021 | Jan. 01, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Subsequent Event [Line Items] |  |  |  |
Warrant exercise price |  |  | $ 10.00 |
Proceeds from exercise of warrants |  |  | $ 1,858,000 | $ 0
Subsequent Event [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Issue of unregistered common stock for advisory services | 2,636 |  |  |
Subsequent Event [Member] | Stock Warrant Exercises [Member] |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Warrants issued to purchase of common stock |  | 232,945 |  |
Warrant exercise price |  | $ 10.00 |  |
Proceeds from exercise of warrants |  | $ 2,329,450 |  |
Stock issued during period, cashless exercise of Series E warrants |  | 4,575 |  |
Subsequent Event [Member] | Series E And E1 Convertible Preferred Stock |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Conversion of Preferred stock into common stock (in shares) |  | 15,000 |  |

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- Definition Issue of unregistered common stock for advisory services + References No definition available. + Details
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- Definition Stock issued during period shares cashless exercise of warrants. + References No definition available. + Details
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- Definition Warrants issued to purchase of common stock. + References No definition available. + Details
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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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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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