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RELATED PARTY TRANSACTIONS | 12 Months Ended
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Dec. 31, 2017
Related Party Transactions [Abstract] |
Related Party Transactions Disclosure [Text Block] | Note 13 – Related Party Transactions The Company’s Gamma Knife business is operated through its 81% indirect interest in its GKF subsidiary. The remaining 19% of GKF is owned by a wholly owned U.S. subsidiary of Elekta, which is the manufacturer of the Gamma Knife. Since the Company purchases its Gamma Knife units from Elekta, there are significant related party transactions with Elekta such as equipment purchases, commitments to purchase equipment, deposits for such equipment purchases, and costs to maintain the equipment. The Company believes that all its transactions with Elekta are arm’s-length transactions. At December 31, 2017, the Company had commitments to purchase two Cobalt-60 reloads from Elekta, as discussed in Note 11 – Commitments and Contingencies. The Company entered into a Purchase Agreement in 2014 to sell 650,000 shares of the Company’s common stock for proceeds of approximately $1,600,000 with three members of the Company’s Board of Directors. Also in 2014, the Company entered into a Note and Warrant Purchase Agreement with four members of the Company’s Board of Directors to issue $1,000,000 in principal amount of Notes and Warrants to purchase 200,000 shares of the Company’s common stock. Concurrently with the Note and Warrant Purchase Agreement, the Company entered into Common Stock Purchase Agreement with one member of the Company’s Board of Directors to sell 100,000 shares of the Company’s Common Stock for $220,000. The Company believes all its transactions with the members of the Company’s Board of Directors were arm’s-length transactions. See Note 12 – Note, Warrant, & Common Stock Purchase Agreement for additional information.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
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