Develops antibody-based medical products used to detect, diagnose and treat cancer. The Company is particularly focused on developing products in the following areas: in-vitro diagnostic tests for the detection of cancer and certain autoimmune diseases; in-vivo imaging products for the early detection and diagnosis of cancer using a method called radioimmunodetection; in-vivo therapeutic products used in the targeted delivery of therapeutic doses of radioisotopes colorectal and gastrointestinal cancer tissues.