Note 6 - Stockholders' Equity (Details) - Warrants Outstanding and Exercisable (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 26, 2014	Feb. 28, 2013
Class of Warrant or Right [Line Items]
Warrants Outstanding and Exercisable	1,462
2010 Warrants [Member]
Class of Warrant or Right [Line Items]
Warrants Outstanding and Exercisable	267
Exercise Price (in Dollars per share)	$ 1.242	$ 1.376
Partners for Growth One [Member]
Class of Warrant or Right [Line Items]
Warrants Outstanding and Exercisable	995
Exercise Price (in Dollars per share)	$ 0.500
Partners for Growth Two [Member]
Class of Warrant or Right [Line Items]
Warrants Outstanding and Exercisable	200
Exercise Price (in Dollars per share)	$ 1.000