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Earnings (Loss) Per Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
Earnings (Loss) Per Share | 9. Earnings (Loss) Per Share Shares used in calculating basic and diluted earnings (loss) per share are as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
​ | ​ | December 31, | ​
​ |  | 2021 |  | 2020 | ​
Basic | ​ | 19,455,987 |  | 19,117,460 |
Effect of exercise of warrants | ​ | — |  | — |
Effect of exercise of stock options | ​ | — | ​ | — | ​
Diluted | ​ | 19,455,987 |  | 19,117,460 |
​ As a result of the net loss presented for the Current Year and Prior Year, the Company calculated diluted earnings (loss) per share using basic weighted-average shares outstanding for such period, as utilizing diluted shares would be anti-dilutive to loss per share. ​ The computation of basic and diluted earnings (loss) per share excludes the common stock equivalents of the following potentially dilutive securities because their inclusion would be anti-dilutive: ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended | ​
​ | ​ | December 31, | ​
​ |  | 2021 |  | 2020 | ​
Stock options and warrants | ​ | 5,747,035 |  | 7,759,190 |
​

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