General form of registration statement for all companies including face-amount certificate companies

Business and summary of significant accounting policies (Restated Consolidated Statement of Changes in Members' Equity) (Details)

v2.4.0.8
Business and summary of significant accounting policies (Restated Consolidated Statement of Changes in Members' Equity) (Details) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
The One Group, LLC and Subsidiaries equity:            
Net income (loss) $ (2,627,331) $ 3,175,416 $ (2,346,068) $ 1,002,973 $ (77,356)  
THE ONE GROUP, LLC and Subsidiaries and Members' Equity (4,140,792)   (1,050,837) 1,755,263    
Noncontrolling interest:            
Net income (69,198) 3,694,414 (446,046) 864,026 798,730  
Members' contribution 520,000   1,629,504 157,000 3,250,000  
Total Noncontrolling Interest 3,175,314   3,539,584 7,097,779    
Total Members' Equity (965,478)   2,488,747 8,853,042 8,554,668 5,547,707
As Originally Reported [Member]
            
The One Group, LLC and Subsidiaries equity:            
Net income (loss)       802,002    
THE ONE GROUP, LLC and Subsidiaries and Members' Equity       1,554,292    
Noncontrolling interest:            
Net income       577,706    
Members' contribution       957,000    
Total Noncontrolling Interest       7,611,459    
Total Members' Equity       9,165,751    
Effect of Correction of Error [Member]
            
The One Group, LLC and Subsidiaries equity:            
Net income (loss)       200,971    
THE ONE GROUP, LLC and Subsidiaries and Members' Equity       200,971    
Noncontrolling interest:            
Net income       286,320    
Members' contribution       (800,000)    
Total Noncontrolling Interest       (513,680)    
Total Members' Equity       $ (312,709)