Quarterly report pursuant to Section 13 or 15(d)

Geographic information (Details)

v3.3.0.814
Geographic information (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units $ 13,314,507 $ 10,444,821 $ 35,818,733 $ 28,722,921  
Management, incentive and royalty fee revenue 1,939,376 1,945,363 6,112,629 6,207,523  
United States          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units 13,314,507 10,444,821 35,818,733 28,709,010  
Management, incentive and royalty fee revenue 1,384,556 1,360,148 4,385,104 4,346,117  
Net assets 12,815,249   12,815,249   $ 6,290,470
Foreign          
Revenues from External Customers and Long-Lived Assets [Line Items]          
Revenues - owned units 0 0 0 13,911  
Management, incentive and royalty fee revenue 554,820 $ 585,216 1,727,525 $ 1,861,407  
Net assets $ 4,683,427   $ 4,683,427   $ 890,464