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(Loss) Income Per Share | 12 Months Ended
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Dec. 31, 2021
Earnings Per Share [Abstract] |
(Loss) Income Per Share | 25. (Loss) Income Per Share Basic EPS is computed by dividing net income by the weighted average number of common shares outstanding for the period. Diluted EPS is computed similar to basic net income per share except that the denominator is increased to include the number of additional common shares that would have been outstanding if all the potential common shares pertaining to warrants, stock options, and similar instruments had been issued and if the additional common shares were dilutive. Diluted earnings per share are based on the assumption that all dilutive convertible shares and stock options and warrants were converted or exercised. Dilution is computed by applying the treasury stock method for the outstanding unvested restricted stock, options and warrants, and the if-converted method for the outstanding convertible instruments. Under the treasury stock method, options and warrants are assumed to be exercised at the beginning of the period (or at the time of issuance, if later) and as if funds obtained thereby were used to purchase common stock at the average market price during the period. Under the if-converted method, outstanding convertible instruments are assumed to be converted into common stock at the beginning of the period (or at the time of issuance, if later). The following is the calculation of (loss) income per share:
|  | Year ended December 31, 2020 |  |  | Year ended December 31, 2021 |
Net (loss) income |  | $ | (7,846,768 | ) |  | $ | 61,559,144 |
Less: Net loss (income)attributable to non-controlling interests |  |  | 39,870 |  |  |  | (73,092 | )
Net (loss) income attributable to shareholders of CBAK Energy Technology, Inc. |  |  | (7,806,898 | ) |  |  | 61,486,052 |
Weighted average shares outstanding – basic (note) |  |  | 61,992,386 |  |  |  | 87,605,493 |
Dilutive unvested restricted stock |  |  | - |  |  |  | 278,864 |
Weighted average shares outstanding – diluted |  |  | 61,992,386 |  |  |  | 87,884,357 |
(Loss) income per share of common stock |  |  |  |  |  |  |  |
Basic |  | $ | (0.13 | ) |  | $ | 0.70 |
Diluted |  | $ | (0.13 | ) |  | $ | 0.70 |
Note: | Including 5,834 and nil vested restricted shares granted pursuant to the 2015 Plan that were not yet issued as of December 31, 2020 and 2021, respectively.
For the year ended December 31, 2020, 938,837 unvested restricted shares and all the outstanding warrants were anti-dilutive and excluded from shares used in the diluted computation. For the year ended December 31, 2021 2,750,002 unvested options and all the outstanding warrants were anti-dilutive and excluded from shares used in the diluted computation.

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