Employee Benefit Plan (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Defined contribution plan employer contribution 25.00%  
Percentage of gross salary matched by the company 4.00%  
401 (K) contribution by the company $ 63,000 $ 67,000
Minimum [Member]
   
Defined contribution plan employee contribution 1.00%  
Maximum [Member]
   
Defined contribution plan employee contribution 50.00%