In a mixing bowl, cream butter, sugar and vanilla. Combine flour and salt; gradually add to the creamed mixture and mix well. Shape into 1 inch balls; place 2 inches apart on ungreased cookie sheets. Make a deep indentation in the center of each cookies. Bake at 350 °F for 10 to 12 minutes or until edges just start to brown. Remove to a wire racks to cool completely. For the filling, beat cream cheese, sugar, flour and vanilla in a mixing bowl. Add pecans and coconut; mix well. Spoon 1/2 teaspoon into each cookie. For topping, heat chocolate chips, butter and water in a small saucepan until melted. Drizzle over cookies.