{% if pos|length > 0 %}
    <ul class="menu vertical">
        {% for po in pos %}
            <li>
                <a href="{{ path('material_requisition_purchase_order', {status: po.status}) }}"><span class="badge alert">{{ po.ctr }}</span>&nbsp;&nbsp;{{ po.status }}</a>
            </li>
        {% endfor %}
    </ul>
{% else %}
    <div class="text-center"><span class="help-text">No available data.</span></div>
{% endif %}