Quarterly report pursuant to Section 13 or 15(d)

Subsequent events (Details)

v3.5.0.2
Subsequent events (Details) - Unsecured Debt - Promissory notes, net - USD ($)
Oct. 24, 2016
Aug. 11, 2016
Jun. 27, 2016
Subsequent Event [Line Items]      
Face value of debt   $ 3,000,000 $ 1,000,000
Debt interest rate   10.00% 10.00%
Common stock      
Subsequent Event [Line Items]      
Warrants to purchase common stock (in shares)   300,000 100,000
Exercise price of warrants (in dollars per share)   $ 2.61 $ 2.61
Subsequent Event      
Subsequent Event [Line Items]      
Face value of debt $ 2,250,000    
Percent of ownership in parent, limitation with notice 9.99%    
Debt interest rate 10.00%    
Subsequent Event | Common stock      
Subsequent Event [Line Items]      
Warrants to purchase common stock (in shares) 340,000    
Exercise price of warrants (in dollars per share) $ 2.39