Annual report pursuant to Section 13 and 15(d)

Statements Of Condensed Consolidated Operations (Parenthetical)

v3.8.0.1
Statements Of Condensed Consolidated Operations (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
LOSS ATTRIBUTABLE TO NONCONTROLLING INTEREST $ 0 $ 0 $ 7,700,000