This is mainly due to PS4. They are starting to turn the tides back to profits!
http://www.dualshockers.com/2014/07/31/sony-announces-financial-results-for-q1-2014/
In this story, it mentions them selling off leftover PS2 inventory. Incredible! PS2s still selling last quarter?! PS2 is the king of all game consoles!
Congratulations Sony. Besides Vita, all your gaming consoles have met huge success. There is still time for Vita too. (: