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5. INVESTMENT IN JOINT VENTURES (Details 1) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012
Key financial data for joint ventures |  |
Current assets - joint ventures | $ 14,802 |
Noncurrent assets - joint ventures | 49,216 |
Current liabilities - joint ventures | (6,995) |
Noncurrent liabilities - joint ventures | (6,286) |
Total net assets -joint ventures | 50,737 |
Book value of Radnet joint venture interests | 22,880 |
Cost in excess of book value of acquired joint venture interests | 5,273 |
Elimination of intercompany profit remaining on Radnet's consolidated balance sheet | 493 |
Total value of Radnet joint venture interests | 28,646 |
Total book value of other joint venture partner interests | 27,857 |
Net revenue | 45,209 | 41,955
Net income | $ 5,952 | $ 7,016

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