Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)	Nov. 23, 2012	Feb. 24, 2012
Shareholders' equity:
Preferred Stock, par value (in dollars per share)	$ 0.05
Common Stock, par value (in dollars per share)	$ 0.05	$ 0.05
Common Stock, shares authorized (in shares)	50,000,000	50,000,000
Common Stock, issued (in shares)	9,155,343	9,134,403
Common Stock, outstanding (in shares)	9,155,343	9,134,403
Series D Preferred Stock [Member]
Shareholders' equity:
Preferred Stock, par value (in dollars per share)	$ 0.05	$ 0.05
Preferred Stock, shares authorized (in shares)	11,000	11,000
Preferred Stock, shares outstanding (in shares)	0	386
Series E Preferred Stock [Member]
Shareholders' equity:
Preferred Stock, par value (in dollars per share)	$ 0.05	$ 0.05
Preferred Stock, shares authorized (in shares)	25,000	25,000
Preferred Stock, shares outstanding (in shares)	12,127	21,741