Having exceeded the size limitation for SBIR soon after compleing their most recent Phase II award for DHS, Accuray Inc is a radiation oncology company with primary focus on treatment of solid cancers throughout the body using the CyberKnife and TomoTherapy Systems by the precise delivery of high doses of radiation to deliver radiosurgery, stereotactic body radiation therapy, intensity modulated radiation therapy, image-guided radiation therapy and adaptive radiation therapy. Having originally had a robotic radio surgery focus, the CyberKnife Stereotactic Radiosurgery System is a non-invasive, frameless, image-guided radiosurgery system that can ablate tumors and other lesions anywhere in the body without open surgery. It is believed to be the only system that integrates real-time image guidance and robotic delivery of radiation to deliver proven sub-millimeter total clinical accuracy with T4 or Tight To The Tumor conformality In December 2004, Accuray purchased certain assets of High Energy Systems Division of American Science and Engineering, Inc, a leader in X-ray detection technology and an extensively involved SBIR firm and whent public in 2007.