Digirad is a holding company. Co.'s segments are: Diagnostic Services, which provides imaging and monitoring services to healthcare providers; Mobile Healthcare, which provides contract diagnostic imaging, including computerized tomography; Diagnostic Imaging, which develops, sells, and maintains gamma cameras; Building and Construction, which services residential and commercial construction projects by manufacturing modular housing units, structural wall panels, permanent wood foundation systems, and other engineered wood products, and supplies general contractors with building materials; and Real Estate and Investments, which manages real estate assets and investments.