The Company	12 Months Ended
Dec. 31, 2019
The Company [Abstract]
The Company	The Company Digirad Corporation is a diversified holding company operating with three business divisions: Healthcare, Building & Construction, and Real Estate and Investments. Digirad: Healthcare Division Digirad Health designs, manufactures, and distributes diagnostic medical imaging products. Digirad Health operates in three businesses: Diagnostic Services, Mobile Healthcare, and Diagnostic Imaging. The Diagnostic Services business offers imaging and monitoring services to healthcare providers as an alternative to purchasing the equipment or outsourcing the job. The Mobile Healthcare business provides contract diagnostic imaging, including computerized tomography (“CT”), magnetic resonance imaging (“MRI”), positron emission tomography (“PET”), PET/CT, and nuclear medicine and healthcare expertise through a convenient mobile service. The Diagnostic Imaging business develops, sells, and maintains solid-state gamma cameras. ATRM: Building and Construction Division ATRM manufactures modular housing units for commercial and residential applications. ATRM operates in two businesses: (i) modular building manufacturing and (ii) structural wall panel and wood foundation manufacturing, including building supply retail operations. The modular building manufacturing business is operated by KBS Builders, Inc. (“KBS”), the structural wall panel and wood foundation manufacturing segment is operated by EdgeBuilder, Inc. (“EdgeBuilder”), and the retail building supplies are sold through Glenbrook Building Supply, Inc. (“Glenbrook” and together with EdgeBuilder, “EBGL”). KBS, EdgeBuilder, and Glenbrook are wholly-owned subsidiaries of ATRM. Real Estate & Investments Division This business division manages real estate assets and investments. As of December 31, 2019, our business is organized into five reportable segments: Diagnostic Services, Mobile Healthcare, Diagnostic Imaging, Building and Construction and Real Estate and Investments. See Note 16. Segments, for more information relating to our segments. For discussion purposes, we categorized our Diagnostic Services, Mobile Healthcare and Diagnostic Imaging reportable segments as “Digirad Health.”

The Company

Digirad Corporation is a diversified holding company operating with three business divisions: Healthcare, Building & Construction, and Real Estate and Investments.

Digirad: Healthcare Division

Digirad Health designs, manufactures, and distributes diagnostic medical imaging products. Digirad Health operates in three businesses: Diagnostic Services, Mobile Healthcare, and Diagnostic Imaging. The Diagnostic Services business offers imaging and monitoring services to healthcare providers as an alternative to purchasing the equipment or outsourcing the job. The Mobile Healthcare business provides contract diagnostic imaging, including computerized tomography (“CT”), magnetic resonance imaging (“MRI”), positron emission tomography (“PET”), PET/CT, and nuclear medicine and healthcare expertise through a convenient mobile service. The Diagnostic Imaging business develops, sells, and maintains solid-state gamma cameras.

ATRM: Building and Construction Division

ATRM manufactures modular housing units for commercial and residential applications. ATRM operates in two businesses: (i) modular building manufacturing and (ii) structural wall panel and wood foundation manufacturing, including building supply retail operations. The modular building manufacturing business is operated by KBS Builders, Inc. (“KBS”), the structural wall panel and wood foundation manufacturing segment is operated by EdgeBuilder, Inc. (“EdgeBuilder”), and the retail building supplies are sold through Glenbrook Building Supply, Inc. (“Glenbrook” and together with EdgeBuilder, “EBGL”). KBS, EdgeBuilder, and Glenbrook are wholly-owned subsidiaries of ATRM.

Real Estate & Investments Division

This business division manages real estate assets and investments.

As of December 31, 2019, our business is organized into five reportable segments: Diagnostic Services, Mobile Healthcare, Diagnostic Imaging, Building and Construction and Real Estate and Investments. See Note 16. Segments, for more information relating to our segments. For discussion purposes, we categorized our Diagnostic Services, Mobile Healthcare and Diagnostic Imaging reportable segments as “Digirad Health.”