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Earnings per Share (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted |
|  |  | For the Years Ended December 31,
|  |  |  |  | 2020 |  | 2019 |  | 2018
Numerator: |  |  |  |  |  |  |  |  |
Net Income available to common stockholders for basic net income per common share |  |  |  |  | $ | 131 |  |  | $ | 914 |  |  | $ | 1,176 |
Effect of interest on assumed conversions of convertible notes, net of tax |  |  |  |  | 8 |  |  | 7 |  |  | — |
Net Income available to common stockholders for dilutive net income per common share |  |  |  |  | $ | 139 |  |  | $ | 921 |  |  | $ | 1,176 |
Denominator: |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding for basic net income per common share |  |  |  |  | 4,330 |  |  | 4,501 |  |  | 4,462 |
Weighted average impact of assumed convertible notes |  |  |  |  | 30 |  |  | 28 |  |  | — |
Weighted average impact of dilutive equity instruments |  |  |  |  | 69 |  |  | 87 |  |  | 99 |
Weighted average shares for diluted net income per common share |  |  |  |  | 4,429 |  |  | 4,616 |  |  | 4,561 |
Net income per common share: |  |  |  |  |  |  |  |  |
Basic |  |  |  |  | $ | 0.03 |  |  | $ | 0.20 |  |  | $ | 0.26 |
Diluted |  |  |  |  | $ | 0.03 |  |  | $ | 0.20 |  |  | $ | 0.26 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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