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Shareholders' Equity (Details 2) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Stock Options
   
Black-Scholes Option-Pricing model assumptions    
Expected life 3 years 10 months 24 days 4 years 2 months 12 days
Expected volatility 52.00% 71.00%
Dividend yield 0.00% 0.00%
Risk-free interest rate 1.20% 0.60%
Unrecognized compensation    
Total unrecognized compensation costs related to the outstanding stock options $ 296,000  
Total unrecognized compensation costs related to the outstanding stock options weighted average period of recognition 1 year 9 months 18 days  
Stock option disclosures    
Expiration period from date of grant 10 years  
Vesting period 3 years  
Stock Options | Minimum
   
Stock option disclosures    
Exercise price, expressed as percentage of fair value on date of grant 100.00%  
Stock Purchase Plan Options
   
Black-Scholes Option-Pricing model assumptions    
Expected life 1 year 1 year
Expected volatility 51.00% 46.00%
Dividend yield 0.00% 0.00%
Risk-free interest rate 0.20% 0.10%
Stock option disclosures    
Exercise price, expressed as percentage of fair value on date of grant 85.00%  
2013 Omnibus Stock and Incentive Plan
   
Stock option disclosures    
Awards reserved for issuance 250,000