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10 - NET INCOME(LOSS) PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Schedule of Earnings Per Share, Basic and Diluted [Abstract]    
Net income(loss) available to common shareholders used in basic and diluted income(loss) per share (in Dollars) $ 701,000 $ (3,111,000)
Weighted average number of common shares used in basic income(loss) per share (Class A and B shares) 5,550,847 5,539,385
Basic income(loss) per share (Class A and B shares) (in Dollars per share) $ 0.13 $ (0.56)
Effect of dilutive securities:    
Options 331,000 0
Weighted average number of common shares and dilutive potential common shares used in diluted income(loss) per share (Class A and B shares) 5,881,847 5,539,385
Diluted income(loss) per share (in Dollars per share) $ 0.12 $ (0.56)