Geographic Information (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 9,310,514 $ 8,972,711
Percentage of revenue 100.00% 100.00%
North America [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 6,257,717 5,783,014
Percentage of revenue 67.20% 64.50%
International-Europe [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 2,305,655 2,199,166
Percentage of revenue 24.80% 24.50%
Rest of World [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues 747,142 990,531
Percentage of revenue 8.00% 11.00%
Total International [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues $ 3,052,797 $ 3,189,697
Percentage of revenue 32.80% 35.50%