Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Jun. 30, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, authorized 25,000,000 25,000,000
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, authorized 200,000,000 200,000,000
Common stock, issued 11,006,439 10,693,851
Common stock, outstanding 11,006,439 10,693,851