<label>Kunde:
    <select class="form-control" ng-model="customer" ng-options="k for k in options.customer" ng-change="refresh()"></select>
</label>

<div class="row">
    <div class="container-fluid col-md-6">
        <table class="table table-bordered table-striped">
            <tr>
                <th></th>
                <th>Anzahl</th>
                <th>Details</th>
            </tr>
            <tr ng-repeat="(key,val) in summary">
                <th>{{key}}</th>
                <td>{{val.length}}</td>
                <td><ul><li ng-repeat="v in val" ng-class="{'red':test(v)}">{{v}}</li></ul></td>
            </tr>
        </table>
    </div>
</div>