Per Share Data

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):



	Three Months Ended March 31,				Six Months Ended March 31,
	2013		2012		2013		2012
Numerator for basic and diluted net income per share:
Net income attributable to ISSI	$	3,287	$	3,601	$	5,786	$	7,391
Denominator for basic net income per share:
Weighted average common shares outstanding	27,976		27,053		27,836		26,845
Dilutive stock options and awards	1,372		1,860		1,404		1,797
Denominator for diluted net income per share	29,348		28,913		29,240		28,642
Basic net income per share	$	0.12	$	0.13	$	0.21	$	0.28
Diluted net income per share	$	0.11	$	0.12	$	0.20	$	0.26

For the three months and six months ended March 31, 2013, stock options and awards for 2,998,000 shares and 3,033,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method. For the three months and six months ended March 31, 2012, stock options and awards for 1,275,000 shares and 1,886,000 shares, respectively, were excluded from diluted earnings per share by the application of the treasury stock method.