in-grid-column flex="1">
              <template class="header">
                <div class="cell">{{localize('cost')}}</div>
              </template>
              <template>
                <div class="cell">[[item.cost]]</div>
              </template>
            </vaadin-grid-column>

            <vaadin-grid-column flex="0">
              <template class="header">
                <div class="cell">{{localize('detail')}}</div>
              </template>
              <template>
                <paper-c