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NET INCOME PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Numerator for basic and diluted net income per Class A common stock and Class B common stock share: |  |
Net income available to common shareholders used in basic and diluted income per share | $ 1,359,000 | $ 773,000
Less cash dividends: |  |
Total undistributed earnings | 518,000 | 58,000
Total undistributed earnings - basic and diluted | 518,000 | 58,000
Numerator for basic and diluted net income per share: |  |
Common stock | $ 1,359,000 | $ 773,000
Denominator for basic and diluted net income per Class A common stock and Class B common stock share: |  |
Weighted average number of common shares used in basic income per share (in Shares) | 5,797,889 | 5,724,222
Weighted average number of common shares and dilutive potential common shares used in diluted income per share (in Shares) | 5,853,889 | 5,840,222
Common Class A [Member] |  |
Less cash dividends: |  |
Dividends | $ 730,000 | $ 620,000
Total undistributed earnings - basic and diluted | 450,000 | 50,000
Numerator for basic and diluted net income per share: |  |
Common stock | $ 1,180,000 | $ 670,000
Denominator for basic and diluted net income per Class A common stock and Class B common stock share: |  |
Weighted average number of common shares used in basic income per share (in Shares) | 5,035,277 | 4,961,610
Weighted average number of common shares and dilutive potential common shares used in diluted income per share (in Shares) | 5,091,277 | 5,077,610
Basic net income per share: |  |
Basic income per share (in Dollars per share) | $ 0.23 | $ 0.14
Diluted net income per share: |  |
Diluted income per share (in Dollars per share) | $ 0.23 | $ 0.13
Common Class B [Member] |  |
Less cash dividends: |  |
Dividends | $ 111,000 | $ 95,000
Total undistributed earnings - basic and diluted | 68,000 | 8,000
Numerator for basic and diluted net income per share: |  |
Common stock | $ 179,000 | $ 103,000
Denominator for basic and diluted net income per Class A common stock and Class B common stock share: |  |
Weighted average number of common shares used in basic income per share (in Shares) | 762,612 | 762,612
Weighted average number of common shares and dilutive potential common shares used in diluted income per share (in Shares) | 762,612 | 762,612
Basic net income per share: |  |
Basic income per share (in Dollars per share) | $ 0.23 | $ 0.14
Diluted net income per share: |  |
Diluted income per share (in Dollars per share) | $ 0.23 | $ 0.14

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