Quarterly report pursuant to Section 13 or 15(d)

Capital Stock - Additional Information (Details)

v3.10.0.1
Capital Stock - Additional Information (Details) - $ / shares
Sep. 30, 2018
Dec. 31, 2017
Equity [Abstract]    
Common stock, shares authorized 450,000,000 450,000,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares issued 7,692,624 7,619,469
Common stock, shares outstanding 7,692,624 7,619,469
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares issued (in series) 0