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BUSINESS AND BASIS OF PRESENTATION | 12 Months Ended
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Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | Note 1 – Business and Basis of Presentation Business – These consolidated financial statements include the accounts of American Shared Hospital Services (the “Company”) and its subsidiaries as follows: The Company wholly-owns the subsidiaries American Shared Radiosurgery Services (“ASRS”) , PBRT Orlando, LLC (“Orlando”), OR21, Inc., and MedLeader.com, Inc. (“MedLeader”). The Company is also the majority owner of Long Beach Equipment, LLC (“LBE”). ASRS is the majority-owner of GK Financing, LLC (“GKF”) which wholly-owns the subsidiary Instituto de Gamma Knife del Pacifico S.A.C. (“GKPeru”). GKF is also the majority-owner of the subsidiaries Albuquerque GK Equipment, LLC (“AGKE”), and Jacksonville GK Equipment, LLC (“JGKE”). The Company (through ASRS) and Elekta AB, the manufacturer of the Gamma Knife (through its wholly-owned United States subsidiary, GKV Investments, Inc.), entered into an operating agreement and formed GK Financing, LLC. During 2018 GKF provided Gamma Knife units to sixteen medical centers in the United States in the states of Arkansas, California, Florida, Illinois, Massachusetts, Mississippi, Nebraska, Nevada, New Jersey, New Mexico, New York, Ohio, Oregon, Tennessee, and Texas. GKF also owns and operates a single-unit Gamma Knife facility in Lima, Peru. The Company through its wholly-owned subsidiary, Orlando, provided proton beam radiation therapy (“PBRT”) and related equipment to a customer in the United States. The Company also directly provides radiation therapy and related equipment, including Intensity Modulated Radiation Therapy (“IMRT”), Image Guided Radiation Therapy (“IGRT”) and a CT Simulator to the radiation therapy department at an existing Gamma Knife site in Massachusetts. The Company formed the subsidiaries GKPeru and GK Financing U.K., Limited (“GKUK”) for the purposes of expanding its business internationally into Peru and the United Kingdom, respectively; Orlando and LBE to provide proton beam therapy equipment and services in Orlando, Florida and Long Beach, California; and AGKE and JGKE to provide Gamma Knife equipment and services in Albuquerque, New Mexico and Jacksonville, Florida, respectively. AGKE began operations in the second quarter of 2011 and JGKE began operations in the fourth quarter of 2011. Orlando treated its first patient in April 2016. GKPeru treated its first patient in July 2017. LBE is not expected to generate revenue within the next two years. GKUK was dissolved in November 2018. The Company continues to develop its design and business model for “The Operating Room for the 21st Century” SM through its 50% owned OR21, LLC (“OR21”). The remaining 50% of OR21 is owned by an architectural design company. OR21 is not expected to generate significant revenue within the next two years. MedLeader was formed to provide continuing medical education online and through videos for doctors, nurses, and other healthcare workers. This subsidiary is not operational at this time. All significant intercompany accounts and transactions have been eliminated in consolidation.

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- Definition The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -URI http://asc.fasb.org/topic&trid=2122149 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -URI http://asc.fasb.org/topic&trid=2197479 + Details
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