My lighting set-up good enough for flowering?

I have 2 23 watt CFL's n:vision 23 Watt Soft White Compact Fluorescent Light (CFL), 2 Pack - 5M8232 at The Home Depot in 2 of these Home Depot Contractor Services .

These are hanging about 6 inches from the top of my plant in a pretty small closet of about maybe 12 square feet at the most. So is this good enough for my plant during its flowering stage? And is this enough to get a respectable yield?

Thanks for any help.

i'd get one or 2 more

umm id get as many as you can afford....i personally use like 5/6 per plant