Try wrapping the table in a div, and give it the styles of:
.wrapper {
  overflow-x:hidden;
  overflow-y:auto;
  height: 90px; /* Or whatever height you wish it to be */
  width: 500px; /* Or whatever width you wish it to be */
  padding-top: 20px;
}
.wrapper {
  overflow-x:hidden;
  overflow-y:auto;
  height: 90px;
  width: 500px;
  padding-top: 20px;
}
th, td {
  border: 1px solid black;
}
<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
  <div class="wrapper">
  <table class="simple row-border hover">
    <thead>
      <tr>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Date</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Open</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Pending</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Inprogress</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Resolved</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Closed</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Email</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Phone</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Web</span>
          </div>
        </th>
        <th class="secondary-text">
          <div class="table-header">
            <span class="column-title">Total</span>
          </div>
        </th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>day</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
      </tr>
      <tr>
        <td>day</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
      </tr>
      <tr>
        <td>day</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
      </tr>
      <tr>
        <td>day</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
      </tr>
      <tr>
        <td>day</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
        <td>tickets</td>
      </tr>
    </tbody>
  </table>
  </div>
</body>
</html>
 
 
As you can see, this hides the overflow-x but uses scroll on overflow-y.