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Net Loss per Common Share (Tables) | 3 Months Ended
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Mar. 31, 2023
Net Loss per Common Share |
Schedule of Basic and Diluted Net Loss Per Share | The following potentially dilutive securities have not been included in the computation of diluted net loss per share for the three months ended March 31, 2023 and 2022, as the result would be anti-dilutive:
​ | ​ | ​ | ​ | ​
​ |  | March 31, | ​ | March 31,
​ |  | 2023 |  | 2022
Stock options |  | 1,603,828 |  | 1,360,856
Restricted Stock Units |  | 394,657 |  | 18,992
6% convertible exchangeable preferred stock |  | 85 |  | 85
Series A preferred stock |  | 6,600 |  | 6,600
Series B preferred stock |  | 1,188,725 |  | 1,188,725
Common stock warrants |  | 3,234,379 |  | 3,234,379
Total shares excluded from calculation |  | 6,428,274 |  | 5,809,637

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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