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Stock Options Valuation Assumptions (Details) (Stock Option, USD $)
6 Months Ended
Jun. 30, 2014
Stock Option
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted average fair value of grants $ 5.52
Dividend yield 0.00%
Volatility 57.74%
Risk-free interest rate 1.80%
Expected life (in years) 6 years 2 months 1 day