 type="button" class="btn btn-default"
                                        uib-dropdown-toggle
                                        ng-enter="initiateSearch()"
                                        uib-tooltip="Search history"
                                        tooltip-placement="top"
                                        tooltip-trigger="mouseenter">
                                        <span class="glyphicon glyphicon-time" style="margin-right: 3px"></span><span class="caret"></sp