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NET INCOME PER SHARE COMPUTATIONS (Narrative ) (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Granted, Weighted Average Exercise Price
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 9,000  
Granted, Weighted Average Exercise Price $ 13.30