Given the function FX = LG (1 + x) / (1-x), find the value range of X which makes FX > 0

Given the function FX = LG (1 + x) / (1-x), find the value range of X which makes FX > 0

Domain 1 + x > 0
x>-1
So - 10
Then LG (1 + x) > 0 = LG 1
1+x>1
So 0