Annual report pursuant to Section 13 and 15(d)

Nature of Operations (Details)

v3.8.0.1
Nature of Operations (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Nature of Operations [Abstract]      
Date of incorporation Mar. 22, 2004    
Operations Commenced Date Aug. 01, 2013    
Restricted cash $ 7,558,000 $ 7,557,000 $ 7,557,000