Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Statement of Financial Position [Abstract]    
Accounts receivable, allowance $ 5,854 $ 3,633
Redeemable convertible preferred stock, shares issued 480,000  
Redeemable convertible preferred stock, shares outstanding 480,000  
Common stock, shares issued 248,681,713 235,162,757
Common stock, shares outstanding 248,681,713 235,162,757