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Significant Stock-Based Plan Activity and Stock-Based Compensation (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Stock-Based Compensation Expense [Abstract]    
Unrecognized stock-based compensation expense $ 1,100,000  
Weighted average remaining vesting period 2 years 9 months 18 days  
Selling, General and Administrative [Member]
   
Stock-Based Compensation Expense [Abstract]    
Stock-based compensation expense $ 171,000 $ 102,000