Quarterly report pursuant to Section 13 or 15(d)

Organization (Details Textual)

v3.5.0.2
Organization (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Dec. 31, 2014
Organization [Line Items]        
Retained Earnings (Accumulated Deficit), Total $ (109,284)   $ (91,390)  
Cash and Cash Equivalents, at Carrying Value 12,800 $ 11,238 $ 19,552 $ 25,190
Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total $ (20,555) $ (13,082)