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Leases (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Leases [Abstract]      
Rent expense, operating leases   $ 223,000 $ 1,181,000
Lease Payments      
2014   537,501  
2015   547,651  
2016   45,749  
Total   1,130,901  
Sublease income      
2014   591,266  
2015   604,569  
2016   50,753  
Total   1,246,588  
Contract termination fee   615,000  
Term of operating sublease 2 years    
Future minimum sublease due   $ 193,200