Annual report pursuant to Section 13 and 15(d)

Outstanding warrants (Details)

v3.7.0.1
Outstanding warrants (Details)
 1 Months Ended
Oct. 24, 2016
USD ($)
$ / shares
shares
Aug. 11, 2016
USD ($)
$ / shares
shares
Jun. 27, 2016
USD ($)
$ / shares
shares
Oct. 16, 2013
$ / shares
shares
Oct. 16, 2013
$ / shares
shares
Feb. 27, 2016
shares
Oct. 15, 2013
$ / shares
shares
Class of Warrant or Right [Line Items]              
Outstanding warrants to purchase membership units (in shares) | shares             62,280
The One Group              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (in dollars per share)       $ 5.00 $ 5.00    
Merger exchange ratio         8.09    
Number of shares exchanged for warrants exercised (in shares) | shares       5,750,000 5,750,000    
Trigger price (in dollars per share)       $ 6.25 $ 6.25    
Warrants, convertible, threshold trading days       20 days      
Warrants, convertible, threshold consecutive trading days       30 days      
Number of warrants expired (in shares) | shares           5,750,000  
Minimum              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (in dollars per share)             $ 22.94
Maximum              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (in dollars per share)             $ 32.00
Promissory notes, net | Promissory notes, net              
Class of Warrant or Right [Line Items]              
Face value of debt | $ $ 2,250,000 $ 3,000,000 $ 1,000,000        
Percent of ownership, limitation with notice 9.99%            
Common stock | Promissory notes, net | Promissory notes, net              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (in dollars per share) $ 2.39 $ 2.61 $ 2.61        
Number of warrants issued (in shares) | shares 340,000 300,000 100,000