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Equity Plan (Details)
9 Months Ended
Sep. 30, 2014
2013 Plan
 
Equity plan  
Number of shares available for future grants 1,417,875
Options
 
Equity plan  
Vesting period 4 years
Options | Maximum
 
Equity plan  
Expiration term 10 years
Nonqualified stock options
 
Equity plan  
Number of equity awards issued (in shares) 312,050
Restricted stock
 
Equity plan  
Number of equity awards issued (in shares) 15,000