TTG Imaging Solutions, a provider of end-to-end solutions in imaging and other medical services, completed the acquisition of Digirad Health, a health care company, from Star Equity Holdings, a diversified holding company Financial terms were not disclosed. "The merger with TTG creates tremendous opportunity for the employees of Digirad. We have known for a long time that expansion into other modalities was the next evolution for Digirad. We are excited to partner with TTG as we expand our combined capabilities," Rick Coleman, Star Equity Holdings CEO.