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5. INVESTMENT IN JOINT VENTURES (Details 1) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Key financial data for joint ventures |  |  |  |
Current assets - joint ventures | $ 15,521 |  | $ 15,521 |
Noncurrent assets - joint ventures | 49,361 |  | 49,361 |
Current liabilities - joint ventures | (6,995) |  | (6,995) |
Noncurrent liabilities - joint ventures | (6,487) |  | (6,487) |
Total net assets -joint ventures | 51,400 |  | 51,400 |
Book value of Radnet joint venture interests | 23,222 |  | 23,222 |
Cost in excess of book value of acquired joint venture interests | 5,059 |  | 5,059 |
Elimination of intercompany profit remaining on Radnet's consolidated balance sheet |  |  | 329 |
Total value of Radnet joint venture interests | 28,610 |  | 28,610 |
Total book value of other joint venture partner interests | 28,178 |  | 28,178 |
Net revenue | 175,188 | 160,453 | 524,648 | 487,820
Net income |  |  | $ 9,819 | $ 9,011

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