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Stock-Based Compensation and Expense (Details 1)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Black-Scholes option-pricing assumptions used to estimate fair value of stock awards    
Expected stock volatility 64.00% 64.00%
Expected years until exercise 6 years 3 months 6 years 3 months
Dividend yield 0.00% 0.00%
Minimum    
Black-Scholes option-pricing assumptions used to estimate fair value of stock awards    
Risk-free interest rate 1.60% 1.91%
Maximum    
Black-Scholes option-pricing assumptions used to estimate fair value of stock awards    
Risk-free interest rate 1.88% 2.05%