New L2 Visa When L1- I94 is extended from USCIS

My spouse is in India and My L1A- I94 is expired on Jan 2014

I have applied for I94 extension and I94 has extended for 2 years.

can my spouse travel to US now .

Can i appliay New L2 for my spouse when My L1-I94 extended and what are the doucuments required for L2 process