NOTE 2 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Key financial data for joint ventures
Current assets - joint ventures	$ 17,026	$ 16,869
Noncurrent assets - joint ventures	49,163	41,928
Current liabilities - joint ventures	(7,419)	(9,575)
Noncurrent liabilities - joint ventures	(8,997)	(9,370)
Total net assets - joint ventures	49,773	39,852
Book value of Radnet joint venture interests	24,712	18,566
Cost in excess of book value of acquired joint venture interests	3,511	3,511
Elimination of intercompany profit remaining on Radnet's consolidated balance sheet	375	249
Total value of Radnet joint venture interests	28,598	22,326
Total book value of other joint venture partner interests	25,061	21,286
Net revenue	85,036	76,076	76,937
Net income	$ 14,031	$ 11,655	$ 12,639