Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Mar. 30, 2013	Mar. 31, 2012
Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations [Line Items]
Net loss (in Dollars)	$ (681,000)	$ (707,000)	$ (4,200,000)	$ (5,900,000)
Common shares outstanding	5,052	5,030
Common shares assuming dilution	5,052	5,030
Net loss per share of common stock - basic (in Dollars per share)	$ (0.13)	$ (0.14)
Net loss per share of common stock - diluted (in Dollars per share)	$ (0.13)	$ (0.14)
Equity Option [Member]
Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations [Line Items]
Antidilutive Securities	1,612	1,282
Restricted Stock [Member]
Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations [Line Items]
Antidilutive Securities	122
Convertible Debt Securities [Member]
Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations [Line Items]
Antidilutive Securities	1,342	1,000
Warrant [Member]
Note 5 - Loss Per Share (Details) - Net loss and common shares used in per share computations [Line Items]
Antidilutive Securities	506	849