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Exhibit 11

HemaCare Corporation

Basic and Diluted Net (Loss) Income per Share

	Years ended December 31,
	2007			2006
BASIC
Weighted average common shares used to compute basic earnings per share		8,687,000			8,265,000
Net (loss) income—continuing operations	$	(1,828,000	)	$	1,471,000
Basic net (loss) income per share—continuing operations	$	(0.21	)	$	0.18
Net (loss) income—discontinued operations	$	(5,960,000	)	$	380,000
Basic net (loss) income per share—discontinued operations	$	(0.69	)	$	0.04
Total net (loss) income	$	(7,788,000	)	$	1,851,000
Total basic net (loss) income per share	$	(0.90	)	$	0.22
DILUTED
Weighted average common shares used to compute basic earnings per share		8,687,000			8,265,000
Dilutive common equivalent shares attributable to stock options (based on average market price)		N/A			830,000
Weighted average common shares and equivalents used to compute diluted earnings per share		8,687,000			9,095,000
Net (loss) income—continuing operations	$	(1,828,000	)	$	1,471,000
Diluted net (loss) income per share—continuing operations	$	(0.21	)	$	0.16
Net (loss) income—discontinued operations	$	(5,960,000	)	$	380,000
Diluted net (loss) income per share—discontinued operations	$	(0.69	)	$	0.04
Total net (loss) income	$	(7,788,000	)	$	1,851,000
Total diluted net (loss) income per share	$	(0.90	)	$	0.20

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Exhibit 11

HemaCare Corporation Basic and Diluted Net (Loss) Income per Share