Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (unaudited) (Parenthetical)

v3.8.0.1
Condensed Consolidated Balance Sheets (unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Allowance for doubtful accounts $ 149 $ 0
Common Stock Class A    
Common stock, no par (dollars per share)  
Common stock, shares authorized 500,000,000  
Common stock, shares issued 104,549,667  
Common stock, shares outstanding 104,549,667  
Common Stock Class B    
Common stock, no par (dollars per share)  
Common stock, shares authorized 20,000,000  
Common stock, shares issued 4,455,208  
Common stock, shares outstanding 4,455,208  
Common Stock Class C    
Common stock, no par (dollars per share)  
Common stock, shares authorized 1,040,000,000  
Common stock, shares issued 0  
Common stock, shares outstanding 0