Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock - o/s RSUs (Details)

v3.7.0.1
Shareholders' Equity and Capital Stock - o/s RSUs (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Dec. 31, 2016
RSUs    
Number of unvested units 1,071,340 1,273,990
Remaining life (years) 1 year 11 days  
Aggregate Intrinsic Value $ 675  
March 13, 2015 [Member]    
RSUs    
Number of unvested units 161,384  
Remaining life (years) 1 month 17 days  
Aggregate Intrinsic Value $ 102  
August 17, 2015 [Member]    
RSUs    
Number of unvested units 248,226  
Remaining life (years) 5 months 12 days  
Aggregate Intrinsic Value $ 156  
December 11, 2015 [Member]    
RSUs    
Number of unvested units 661,730  
Remaining life (years) 1 year 5 months 16 days  
Aggregate Intrinsic Value $ 417