Quarterly report pursuant to Section 13 or 15(d)

Geographic information (Details)

v3.2.0.727
Geographic information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units $ 12,778,925 $ 10,124,208 $ 22,504,226 $ 18,278,100  
Management, incentive and royalty fee revenue 2,121,977 2,143,132 4,173,253 4,262,160  
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units 12,778,925 10,110,297 22,504,226 18,264,189  
Net assets 15,778,258   15,778,258   $ 6,290,470
Foreign          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units 0 $ 13,911 0 $ 13,911  
Net assets $ 4,100,069   $ 4,100,069   $ 890,464