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BUSINESS AND BASIS OF PRESENTATION | 12 Months Ended
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Dec. 31, 2016
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. (“OR21 LLC”), 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 subsidiaries Instituto de Gamma Knife del Pacifico S.A.C. (“GKPeru”) and GK Financing U.K., Limited (“GKUK”). GKF is also the majority-owner of the subsidiaries Albuquerque GK Equipment, LLC (“AGKE”), Jacksonville GK Equipment, LLC (“JGKE”), and EWRS, LLC (“EWRS”), which, prior to its sale in June 2014, wholly-owned the subsidiary, EWRS Tibbi Cihazlar Ticaret Ltd Sti (“EWRS Turkey”). 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 2016 GKF provided Gamma Knife units to seventeen medical centers in the United States in the states of Arkansas, California, Connecticut, Florida, Illinois, Massachusetts, Mississippi, Nevada, New Jersey, New Mexico, New York, Tennessee, Oklahoma, Ohio, Oregon and Texas. The Company through its wholly-owned subsidiary, Orlando, provided proton beam radiation therapy (“PBRT”) and related equipment, to a new customer in the United States, which treated its first patient during the second quarter of 2016. 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 GKUK for the purposes of expanding its business internationally into Peru and the United Kingdom; Orlando and LBE to provide proton beam therapy services in Orlando, Florida and Long Beach, California ; and AGKE and JGKE to provide Gamma Knife services in Albuquerque, New Mexico and Jacksonville, Florida. AGKE began operation in the second quarter of 2011 and JGKE began operation in the fourth quarter of 2011. Orlando treated its first patient in April 2016. GKPeru is expected to begin operation in the third quarter of 2017. GKUK is inactive and LBE is not expected to generate revenue within the next two years. The Company continues to develop its design and business model for “The Operating Room for the 21st Century” SM (“OR21” SM), through its 50% owned OR21, LLC. The remaining 50% 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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