Annual report pursuant to Section 13 and 15(d)

Nature of business and operations (Details)

v3.6.0.2
Nature of business and operations (Details)
12 Months Ended
Nov. 01, 2016
$ / shares
Dec. 31, 2016
segment
$ / shares
Dec. 31, 2015
$ / shares
Class of Stock [Line Items]      
Common stock, par value (usd per share) $ 0.001 $ 0.001 $ 0.001
Conversion exchange ratio 0.092    
Number of operating segments | segment   1  
ADGE      
Class of Stock [Line Items]      
Common stock, par value (usd per share) $ 0.001