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1. NATURE OF BUSINESS AND BASIS OF PRESENTATION (Details Narrative) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
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Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012 | Dec. 31, 2012
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |  |
Howard G. Berger, M.D.- President and Chief Executive Officer RadNet stock ownership | 0.135 |  | 0.135 |  |
Howard G. Berger, M.D.- President and Chief Executive Officer BRMG stock ownership | 0.99 |  | 0.99 |  |
VIE revenue, net management fees | $ 16,100 | $ 13,500 | $ 33,500 | $ 26,200 |
VIE operating expenses | 16,100 | 13,500 | 33,500 | 26,200 |
VIE total billed net service fee revenue | 77,700 | 67,100 | 158,300 | 130,200 |
VIE management services | 61,700 | 53,600 | 124,800 | 104,000 |
VIE accounts receivable | 59,900 |  | 59,900 |  | 51,800
VIE accounts payable | 7,600 |  | 7,600 |  | 6,300
Working capital | $ 41,800 |  | $ 41,800 |  | $ 37,300

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- Definition The amount of expense between the reporting entity and the Variable Interest Entity (VIE). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph d -URI http://asc.fasb.org/extlink&oid=7880789&loc=d3e5747-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4/FIN46(R)-8 -Paragraph C8 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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