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Net Loss per Share - Antidilutive (Details) - shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023 | Jun. 30, 2022
Anti-dilutive securities |  |  |
Anti-dilutive securities excluded from the calculation of net loss per share |  | 20,341,402 | 17,673,035
Restricted stock units |  |  |
Anti-dilutive securities |  |  |
Anti-dilutive securities excluded from the calculation of net loss per share |  | 2,047,026 | 1,814,627
Stock options |  |  |
Anti-dilutive securities |  |  |
Anti-dilutive securities excluded from the calculation of net loss per share |  | 7,835,195 | 5,399,227
Warrants |  |  |
Anti-dilutive securities |  |  |
Anti-dilutive securities excluded from the calculation of net loss per share |  | 10,459,181 | 10,459,181
Pre-funded warrant |  |  |
Anti-dilutive securities |  |  |
Exercise of warrants (in shares) | 2,293,466 | 2,293,466 |
Outstanding warrants | 25,396,226 | 25,396,226 |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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