Annual report pursuant to Section 13 and 15(d)

Geographic information (Details)

v3.3.1.900
Geographic information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues – owned units $ 52,610,182 $ 40,499,590
Management, incentive, royalty, and development fee revenue 7,921,584 8,823,318
United States [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues – owned units 52,610,182 40,499,590
Management, incentive, royalty, and development fee revenue 5,506,537 5,378,028
Net assets 15,167,639 10,777,015
Foreign [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Revenues – owned units 0 0
Management, incentive, royalty, and development fee revenue 2,415,047 3,445,290
Net assets $ 4,437,332 $ 1,695,688