4. EARNINGS PER SHARE

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share [Text Block]

Earnings per share is based upon the weighted average number of shares of common stock and common stock equivalents outstanding, net of common stock held in treasury,  as follows (in thousands except share and per share data):

	Three Months Ended
	March 31,
	2013			2012
Net loss attributable to RadNet, Inc.'s common stockholders	$	(1,342	)	$	(111	)
BASIC AND DILUTED NET LOSS PER SHARE ATTRIBUTABLE TO RADNET, INC.'S COMMON STOCKHOLDERS
Weighted average number of common shares outstanding during the period		39,314,447			37,669,921
Basic and diluted net loss per share attributable to RadNet, Inc.'s common stockholders	$	(0.03	)	$	(0.00	)

For the three months ended March 31, 2013 and 2012, we excluded all options and warrants in the calculation of diluted loss per share because their effect is anti-dilutive.