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Stockholders' Equity - Schedule of Warrants Outstanding (Details) - $ / shares | 1 Months Ended | 9 Months Ended
--- | --- | ---
Jan. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of Underlying Shares (in shares) |  | 310,860 | 539,152
Exercise Price (in dollars per share) |  | $ 3.59 |
Investor Warrants |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of Underlying Shares (in shares) | 688,360 | 269,180 | 497,472
Exercise Price (in dollars per share) | $ 3.37 | $ 3.3700 | $ 3.3700
Placement Agent Warrants |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of Underlying Shares (in shares) | 48,185 | 41,680 | 41,680
Exercise Price (in dollars per share) | $ 4.99 | $ 4.9940 | $ 4.9940

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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=123467817&loc=d3e21475-112644 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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