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Common Shares, Summary Of the Fair Value Of All Awards issued Under Stock Compensation Plans (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Percentage of issued and outstanding Common Shares 10.00%  
Stock-based expense $ 246 $ 142
Employee, Directors and Consultants Stock Options [Member]    
Stock-based expense 12 2
Restricted Stock Units (RSUs) [Member]    
Stock-based expense $ 234 $ 140