Sources of Temporary Differences and Carry Forwards, and Their Effect on Net Deferred Tax Asset (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013
Current deferred tax assets (liabilities):
Uniform capitalization costs	$ 159	$ 586
Inventory reserves	41	1,120
Accrued liabilities	59	500
Allowance for doubtful accounts	15	22
Other	(32)	(34)
Net current deferred tax assets	242	2,194
Non-current deferred tax assets:
Amortization of intangibles	241	720
Deferred rent	200
State net operating loss carry-forward	351	165
Federal net operating loss carry-forward	1,369
Foreign tax credit carry-forward	99	99
Basis difference of property, plant and equipment	56	(299)
Valuation allowance	(1,556)
Net non-current deferred tax assets	760	685
Net deferred tax assets	1,002	2,879
Current asset	242	2,219
Non-current asset	760	660
Net deferred tax assets	$ 1,002	$ 2,879