Quarterly report pursuant to Section 13 or 15(d)

Geographic information (Details)

v3.4.0.3
Geographic information (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units $ 14,379,930 $ 9,725,301  
Management, incentive and royalty fee revenue 2,014,051 2,051,276  
United States      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units 14,379,930 9,725,302  
Management, incentive and royalty fee revenue 1,455,818 1,918,964  
Net assets 18,587,157   $ 15,167,639
Foreign      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues - owned units 0 0  
Management, incentive and royalty fee revenue 558,233 $ 13,312  
Net assets $ 4,382,504   $ 4,437,332