Summary of Selected Quarterly Financial Data (unaudited) (Tables)

12 Months Ended

Jul. 31, 2012

Schedule of Quarterly Financial Information [Table Text Block]

Unaudited quarterly financial data for fiscal 2012 and 2011 is summarized as follows:

	Quarter Ended
Fiscal 2012	October 31, 2011			January 31, 2012			April 30, 2012			July 31, 2012
Total revenues	$	25,753		$	24,973		$	25,949		$	26,408
Gross profit		11,802			11,579			12,056			11,673
Loss before income taxes		(4,326	)		(4,076	)		(3,445	)		(29,074	)
Net loss		(4,494	)		(4,221	)		(3,411	)		(27,143	)
Basic and diluted loss per common share	$	(0.12	)	$	(0.11	)	$	(0.09	)	$	(0.69	)

	Quarter Ended
Fiscal 2011	October 31, 2010			January 31, 2011			April 30, 2011			July 31, 2011
Total revenues	$	25,652		$	23,734		$	25,827		$	26,816
Gross profit		13,473			10,331			12,364			12,042
Loss before income taxes		(1,060	)		(5,562	)		(2,002	)		(4,199	)
Net loss		(1,122	)		(5,708	)		(2,110	)		(4,020	)
Basic and diluted loss per common share	$	(0.03	)	$	(0.15	)	$	(0.05	)	$	(0.11	)