CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 4,509	$ (367)	$ (2,610)	$ 1,028
Foreign currency translation adjustments	(1)	13	(38)	(104)
COMPREHENSIVE INCOME (LOSS)	4,508	(354)	(2,648)	924
Less comprehensive income attributable to non-controlling interests	58	100	219	151
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO RADNET, INC. COMMON STOCKHOLDERS	$ 4,450	$ (454)	$ (2,867)	$ 773