AngularJS-Slider Issue Report

Fork this Fiddle to show an issue and report it here: https://github.com/rzajac/angularjs-slider/issues

HTML

<link rel="stylesheet" href="https://rawgit.com/rzajac/angularjs-slider/master/dist/rzslider.css">
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.4.3/angular.min.js"></script>
<script src="https://rawgit.com/rzajac/angularjs-slider/master/dist/rzslider.js"></script>
<div ng-app="myapp">
    <div ng-controller="TestController as vm">
        <p>Price: {{vm.priceSlider.value}}</p>
        <rzslider rz-slider-model="vm.priceSlider.value" rz-slider-options="vm.priceSlider.options"></rzslider>
    </div>
    <h1>
    {{vm.slider.value}}
    </h1>
</div>

JavaScript

var myApp = angular.module('myapp', ['rzModule']);

myApp.controller('TestController', TestController);

function TestController() {
    var vm = this;

    vm.priceSlider = {
        value: 31.5,
        options: {
            floor: 6.5,
            ceil: 31.5,
            step: 1,
            precision: 1,
            stepsArray: [6.5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 31.5]
        }
    }
}