XML 82 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1
Common Shares, Summary Of The Status Of Unvested Stock Options (Details) - $ / shares
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Capital Stock [Abstract]        
Unvested, Number of options, beginning of period (in shares) 296,250 246,250 246,250  
Granted, Number of options (in shares) 0 50,000 0  
Vested, Number of options (in shares) (50,000)      
Unvested, Number of options, end of period (in shares) 246,250 296,250 246,250 246,250
Unvested, Weighted average grant date fair value, beginning of period (in dollars per share) $ 0.49 $ 0.22 $ 0.22  
Granted, Weighted average grant-date fair value per option (in dollars per share)   0.69    
Vested, Weighted average grant-date fair value per option (in dollars per share) 0.69      
Unvested, Weighted average grant date fair value per option, end of period (in dollars per share) $ 0.22 $ 0.49 $ 0.22 $ 0.22
Weighted average remaining amortization period 11 months 27 days 1 year 2 months 23 days 3 years 3 years 11 months 27 days