Income Taxes (Tables)

6 Months Ended

Jul. 31, 2012

Notes To Financial Statements [Abstract]

Provision for Income Taxes

The provision for income taxes was comprised of the following:

	Three months ended July 31,						Six months ended July 31,
	2012			2011			2012			2011
Income tax benefit	$	(2,764	)	$	(3,595	)	$	(1,983	)	$	(2,984	)
Effective tax rate	(19		)%	(487		)%	(5		)%	297		%