app.controller('LineCtrl', ['$scope', '$timeout', function ($scope, $timeout) {
    $scope.labels = ['January', 'February', 'March', 'April', 'May', 'June', 'July'];
    $scope.series = ['Series A', 'Series B'];
    $scope.data = [
      [65, 59, 80, 81, 56, 55, 40],