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NET INCOME PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
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 $ 773,000 $ 1,378,000
Less cash dividends:    
Total undistributed earnings 58,000 790,000
Total undistributed earnings - basic and diluted 58,000 790,000
Numerator for basic and diluted net income per share:    
Common stock $ 773,000 $ 1,378,000
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) 5,724,222 5,597,555
Weighted average number of common shares and dilutive potential common shares used in diluted income per share (in Shares) 5,840,222 5,706,555
Common Class A [Member]    
Less cash dividends:    
Dividends $ 620,000 $ 508,000
Total undistributed earnings - basic and diluted 50,000 682,000
Numerator for basic and diluted net income per share:    
Common stock $ 670,000 $ 1,190,000
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) 4,961,610 4,834,943
Weighted average number of common shares and dilutive potential common shares used in diluted income per share (in Shares) 5,077,610 4,943,943
Basic net income per share:    
Basic income per share (in Dollars per share) $ 0.14 $ 0.25
Diluted net income per share:    
Diluted income per share (in Dollars per share) $ 0.13 $ 0.24
Common Class B [Member]    
Less cash dividends:    
Dividends $ 95,000 $ 80,000
Total undistributed earnings - basic and diluted 8,000 108,000
Numerator for basic and diluted net income per share:    
Common stock $ 103,000 $ 188,000
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) $ 0.14 $ 0.25
Diluted net income per share:    
Diluted income per share (in Dollars per share) $ 0.14 $ 0.25