Note 7 - Income Per Share (Detail) - Schedule of Earnings Per Share Reconciliation (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 24, 2012	Jun. 26, 2011
Basic EPS
Basic calculation (in Dollars)	$ 2,006	$ 1,596
Basic calculation	4,368,000	5,078,000
Basic calculation (in Dollars per share)	$ 0.46	$ 0.31
Effect of dilutive employee stock options (in Dollars)	0	0
Effect of dilutive employee stock options	163,000	123,000
Effect of dilutive employee stock options (in Dollars per share)	$ (0.02)	$ 0
Diluted EPS
Diluted calculation (in Dollars)	$ 2,006	$ 1,596
Diluted calculation	4,531,000	5,201,000
Diluted calculation (in Dollars per share)	$ 0.44	$ 0.31