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EARNINGS PER SHARE (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
EARNINGS PER SHARE [Abstract}        
Basic - weighted average shares outstanding (in Shares) 7,400 7,418 7,392 7,412
Dilutive potential common shares (shares) 2 2 4 1
Diluted - weighted average shares outstanding (in Shares) 7,455 7,480 7,443 7,454
Anti-Dilutive securities 43   75 40
Dilutive stock options 53 60 47 41