Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity and Capital Stock (Details 3)

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Shareholders' Equity and Capital Stock (Details 3) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Number of unvested units 453,230 691,610
Remaining life (years) 1 year 3 months  
Aggregate Intrinsic Value $ 702  
Grant Date One [Member]
   
Grant date Dec. 07, 2012  
Number of unvested units 191,188  
Remaining life (years) 8 months 8 days  
Aggregate Intrinsic Value 296  
Grant Date Two [Member]
   
Grant date Dec. 27, 2013  
Number of unvested units 262,042  
Remaining life (years) 1 year 8 months 26 days  
Aggregate Intrinsic Value $ 406