Sour Cream Chocolate Chip Coffee Cake

-----FOR THE TOPPING----- 1 tb Flour

1/2 c Brown sugar, packed

2 tb Butter, softened

1/2 c Mini chocolate chips

-----FOR THE CAKE----- 2 c Flour

1 t Baking powder

1 t Baking soda

1 1/2 c Mini chocolate chips

1/2 ts Sal