Summary of Assets and Liabilities of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Current assets:
Cash and cash equivalents	$ 0	$ 579
Accounts receivable, net	0	128
Prepaid expenses	0	17
Income tax receivable	0	34
Other	0	4
Total current assets	0	762
Current liabilities:
Accounts payable and accrued expenses	0	2,169
Accrued salaries and commissions	0	0
Deferred revenue	0	0
Other current liabilities	0	0
Total current liabilities	$ 0	$ 2,169