Note 4 - Income Taxes (Details) - Components of Deferred Tax Liabilities and Assets (USD $) In Thousands, unless otherwise specified	Mar. 02, 2014	Mar. 03, 2013
Deferred tax assets:
Depreciation	$ 4,593	$ 4,190
Net operating loss carryforwards	12,210	11,917
Tax credits carryforward	1,695	1,343
Stock options	1,693	953
Other, net	665	1,387
	20,856	19,790
Valuation allowance on deferred tax assets	(11,941)	(12,465)
Total deferred tax assets, net of valuation allowance	8,915	7,325
Depreciation	(867)	(419)
Undistributed earnings	(63,958)
Other	(1,616)	(741)
Total deferred tax liabilities	(66,441)	(1,160)
Net deferred tax (liability) asset	$ (57,526)	$ 6,165