public function get_receipt_post()
 {
     $receipts_repo = new Receipts_Repository($this->base_model->get_db_instance());
     $receipt = $receipts_repo->get_receipt($this->input->post('receiptId'));
     $data = array();
     array_push($data, array('id' => $receipt->id, 'sales_report_id' => $receipt->sales_report_id, 'is_reported' => $receipt->is_reported, 'created_at' => $receipt->created_at, 'updated_at' => $receipt->updated_at));
     echo json_encode($data);
 }