Chart.js Offset tick labels

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script>
<canvas id="myChart" height="100"></canvas>

JavaScript

var ctx = document.getElementById("myChart").getContext("2d");
var myChart = new Chart(ctx, {
  type: 'bar',
  data: {
    labels: ['Value 1', 'Value 2', 'Value 3', 'Value 4'],
    datasets: [{
      label: "Dataset",
      data: [20, 15, 27, 18],
      backgroundColor: 'rgba(54, 162, 235,0.5)',
    }],
  },
  options: {
    animation: {
      duration: 1,
      onComplete: function() {
        var controller = this.chart.controller;
        var chart = controller.chart;
        var yAxis = controller.scales['y-axis-0'];

        yAxis.ticks.forEach(function(value, index) {
          var xOffset = chart.width - 40;
          var yOffset = ((chart.height - 60) / 2 * index) + 15;
          ctx.fillText(value + 'M', xOffset, yOffset);
        });

      }
    },
    scales: {
      xAxes: [{
        gridLines: {
          display: false,
        }
      }],
      yAxes: [{
        position: "right",
        gridLines: {
          drawBorder: false,
        },
        ticks: {
          maxTicksLimit: 3,
          display: false
        }
      }]
    }
  }
});