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Other Current Assets - 20F (Details) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Other Current Assets [Abstract]      
Prepaid expenses $ 432 $ 476 $ 78
Insurance claims 0 14 22
Other 65 167 204
Total $ 497 $ 657 $ 304