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Stock Options and Stock-Based Compensation Shares of Restricted Stock Granted under 2010 Plan (Details) (Plan 2010 [Member], Restricted Stock [Member])
6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Shares 72,684      
Remaining Term (In Years) 2 years 3 months 18 days      
Four Years [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years)     4 years 4 years
Shares     2,704 1,500
Remaining Term (In Years)     1 year 8 months 12 days 6 months
Five Years [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years) 5 years 5 years 5 years 5 years
Shares 10,422 14,776 7,996 5,500
Remaining Term (In Years) 4 years 7 months 6 days 3 years 7 months 6 days 2 years 8 months 12 days 1 year 7 months 6 days
Three Years [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years) 2 years 3 years 3 years  
Shares 10,335 3,808 2,027  
Remaining Term (In Years) 1 year 7 months 6 days 1 year 7 months 6 days 6 months  
Two Years [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Vesting Term (In Years) 1 year 2 years    
Shares 5,086 8,530    
Remaining Term (In Years) 6 months 6 months