Post-effective amendment to a registration statement that is not immediately effective upon filing

Geographic information (Details)

v2.4.0.8
Geographic information (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues - owned units $ 38,648,050 $ 56,429,452
Management, incentive and royalty fee revenue 7,336,629 3,691,270
United States [Member]
    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues - owned units 38,648,050 56,429,452
Management, incentive and royalty fee revenue 4,979,190 3,496,914
Net assets (liabilities) 7,572,058 3,031,053
Foreign [Member]
    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues - owned units      
Management, incentive and royalty fee revenue 2,357,438 194,356
Net assets (liabilities) $ 654,579 $ (542,306)