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Share-based Compensation Fair Value Assumptions (Tables) - Employee Stock Option [Member]
9 Months Ended
Sep. 30, 2015
Short-term Incentive Plan - 2015 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The weighted average grant date fair value of $2.10 per share for the options granted under the 2015 STI Plan was estimated using the Black-Scholes option-pricing model with the following assumptions:
 
2015
Expected volatility
56.1
%
Risk-free interest rate
1.8
%
Expected life (in years)
6.0

Expected dividend yield

Long-Term Compensation Plan -2015 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The weighted average grant date fair value of $2.05 per share for the options granted under the 2015 LTC Plan was estimated using the Black-Scholes option-pricing model with the following assumptions:
 
2015
Expected volatility
55.7
%
Risk-free interest rate
1.8
%
Expected life (in years)
5.8

Expected dividend yield