| Summary calculations of basic and diluted income (loss) per common share |
| | | | | | | | | | | | | | | For the Three Months Ended | | For the Nine Months Ended | | | September 30, | | September 30, | | | 2021 | | 2020 | | 2021 | | 2020 | Numerator: | | | | | | | | | | | | | Net loss attributable to common shareholders | | $ | (1,256,190) | | $ | (763,981) | | $ | (2,978,335) | | $ | (2,629,745) | | | | | | | | | | | | | | Denominator: | | | | | | | | | | | | | Weighted average Class A common shares outstanding | | | 3,594,671 | | | 1,928,073 | | | 3,451,120 | | | 1,879,205 | Weighted average Class B common shares outstanding | | | 81,198 | | | 81,198 | | | 81,198 | | | 81,198 | Weighted average Class A and Class B common shares outstanding - Basic | | | 3,675,869 | | | 2,009,271 | | | 3,532,318 | | | 1,960,403 | Dilutive effect of potential common shares | | | — | | | — | | | — | | | — | Weighted average Class A and Class B common shares outstanding - Diluted | | | 3,675,869 | | | 2,009,271 | | | 3,532,318 | | | 1,960,403 | | | | | | | | | | | | | | Net loss per share attributable to Class A and Class B Common shareholders - Basic | | $ | (0.34) | | $ | (0.38) | | $ | (0.84) | | $ | (1.34) | Net loss per share attributable to Class A and Class B Common shareholders - Diluted | | $ | (0.34) | | $ | (0.38) | | $ | (0.84) | | $ | (1.34) |
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