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Net Loss Per Common Share | 12 Months Ended
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Dec. 31, 2022
Net Loss Per Common Share |
Net Loss Per Common Share | 9. Net Loss Per Share of Common Stock Basic net loss per share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding for the period, without consideration for potentially dilutive securities if their effect is antidilutive. Diluted net loss per share is computed by dividing the net loss by the weighted average number of shares of common stock and dilutive common stock equivalents outstanding for the period determined using the treasury stock and if-converted methods. Dilutive common stock equivalents are comprised of convertible preferred stock, options outstanding under the Company's stock option plan and warrants during the periods that these instruments are outstanding. For all periods presented, there is no difference in the number of shares used to calculate basic and diluted shares outstanding as inclusion of the potentially dilutive securities would be antidilutive. ​ The basic net loss per share calculation includes the 2022 Warrants given that these instruments are exchangeable into common stock for which no additional consideration is required from the holder. The following potential shares of common stock were not considered in the computation of diluted net loss per share as their effect would have been anti-dilutive: ​
​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended
​ | ​ | December 31
​ |  | 2022 |  | 2021
Stock options | ​ | 36,493 | ​ | 32,498
Warrants | ​ | 228,235 | ​ | 229,550
​

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