Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)	12 Months Ended
	Feb. 28, 2016	Mar. 01, 2015	Mar. 02, 2014	Mar. 02, 2014
Valuation Allowance of Deferred Tax Assets [Member]
DEFERRED INCOME TAX ASSET VALUATION ALLOWANCE:
52 weeks ended February 28, 2016	$ 11,887,000	$ 11,941,000	$ 12,465,000
52 weeks ended February 28, 2016	29,100	123,000	330,000
52 weeks ended February 28, 2016	(801,100)	(177,000)	(854,000)
52 weeks ended February 28, 2016	11,115,000	11,887,000	11,941,000	$ 11,941,000
Allowance for Doubtful Accounts [Member]
DEFERRED INCOME TAX ASSET VALUATION ALLOWANCE:
52 weeks ended February 28, 2016	396,000	416,000		423,000
52 weeks ended February 28, 2016	(2,000)	(5,000)		(7,000)
52 weeks ended February 28, 2016	324,000	396,000	$ 416,000	$ 416,000
52 weeks ended February 28, 2016	$ (70,000)	$ (15,000)