[Mouse side button is broken, I think.]

Well i got the combo last christmas and tonight i was using it for push to talk and it all of a sudden just pushed in and fell over, i could get it out just by moving the mouse around and it could be taken out. idk if it could be fixed , the side button doesn't look like it was snapped off or anything. please help its still under warranty the 2 year one that it says on the box.