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Share-based Compensation Narrative (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Allocated Share-based Compensation Expense $ 202 $ 714
Unrecognized compensation cost $ 2,614  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition 1 year 5 months 23 days  
Long-Term Compensation Plan -2016 [Member] [Domain] | Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price $ 1.12  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,203  
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years