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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2018
Dec. 31, 2017
Condensed Consolidated Balance Sheets [Abstract]    
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 40,000,000 40,000,000
Common stock, shares issued 11,691,000 11,632,000
Common stock, shares outstanding 11,691,000 11,632,000