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CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Preferred stock, authorized 5,000,000 5,000,000
Preferred stock, issued 0 0
Preferred stock, outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized 50,000,000 50,000,000
Common stock, issued 13,601,456 13,522,168
Common Stock, outstanding 13,568,002 13,488,714
Treasury stock, shares 33,454 33,454