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Segment Disclosure (Details Textual)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2013
segment
Sep. 30, 2014
segment
Dec. 31, 2016
USD ($)
segment
geographic_area
Dec. 31, 2015
USD ($)
Segment Reporting [Abstract]        
Number of reporting segments (in segment) | segment 2 2 1  
Number of geographic areas | geographic_area     3  
Long-lived assets US | $     $ 2.2 $ 2.6