private function removeLineItem()
{
$invoiceId = $this->_getParam('id');
$lineItem = $this->_getParam('detail');
$invoiceDetailsTable = new InvoiceDetails();
$detail = $invoiceDetailsTable->find($lineItem)->current();
if ($detail->invoice_id == $invoiceId) {
$detail->delete();
}
$this->_redirect('/invoices/view/id/' . $invoiceId);
}
