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Earnings Per Share | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Earnings Per Share | 10. Earnings Per Share Basic earnings per share (“EPS”) is computed by dividing net income (loss) available to common stockholders by the weighted average number of common shares outstanding during the period. Diluted EPS gives effect to all potentially dilutive common shares outstanding during the period, including stock options and warrants, using the treasury stock method. Diluted EPS excludes all potentially dilutive shares of common stock if their effect is anti-dilutive. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 | ​
Basic |  | 19,541,774 |  | 19,231,040 | ​ | 19,418,469 |  | 19,078,453 |
Effect of exercise of warrants |  | — |  | — | ​ | — |  | — |
Effect of exercise of stock options | ​ | — | ​ | — | ​ | — | ​ | — | ​
Diluted |  | 19,541,774 |  | 19,231,040 | ​ | 19,418,469 |  | 19,078,453 |
​ As a result of the net loss for all periods presented, the Company calculated diluted earnings 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 diluted EPS excludes the following potentially dilutive securities because their inclusion would be anti-dilutive: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Three Months Ended | ​ | Nine Months Ended | ​
​ |  | September 30, | ​ | September 30, | ​
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020 | ​
Stock options and warrants | ​ | 5,927,010 |  | 8,083,690 | ​ | 5,927,010 |  | 8,083,690 |
​

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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