Annual report pursuant to Section 13 and 15(d)

Stockholders' equity - Convertible Preferred Shares (Details)

v3.6.0.2
Stockholders' equity - Convertible Preferred Shares (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Mar. 20, 2015
Feb. 23, 2015
May 31, 2015
Sep. 30, 2014
USD ($)
shares
Jun. 30, 2015
USD ($)
Jun. 30, 2014
USD ($)
Convertible preferred shares            
Net consideration           $ 15,812
Share exchange ratio 0.01 0.01        
Series A Preferred Shares            
Convertible preferred shares            
Stock issued (in shares) | shares       1,758,418    
Net consideration       $ 98,872 $ 98,872  
Stock issuance costs       $ 4,949    
Conversion ratio, initial rate       1    
Conversion ratio, third anniversary of the issuance       2    
Conversion ratio, initial public offering       1    
Conversion ratio, initial public offering, third anniversary       2    
Conversion ratio     1