Quarterly report pursuant to sections 13 or 15(d)

Geographic information (Details)

v2.4.0.8
Geographic information (Details) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units $ 8,153,892 $ 9,386,763  
Management, incentive and royalty fee revenue 2,119,028 1,595,218  
United States [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units 8,153,892 9,348,382  
Management, incentive and royalty fee revenue 1,658,578 1,262,267  
Net assets (liabilities) 6,290,470   7,572,058
Foreign [Member]
      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units        
Management, incentive and royalty fee revenue 460,450 332,951  
Net assets (liabilities) $ 890,464   $ 654,579