Note 9 - Income Per Share (Details) - Table of earnings per share reconciliation (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 24, 2012
Basic EPS
Basic calculation (in Dollars)	$ 3,354	$ 2,006
Basic calculation	4,415,000	4,368,000
Basic calculation (in Dollars per share)	$ 0.76	$ 0.46
Effect of dilutive employee stock options (in Dollars)	0	0
Effect of dilutive employee stock options	173,000	163,000
Effect of dilutive employee stock options (in Dollars per share)	$ (0.03)	$ (0.02)
Diluted EPS
Diluted calculation (in Dollars)	$ 3,354	$ 2,006
Diluted calculation	4,588,000	4,531,000
Diluted calculation (in Dollars per share)	$ 0.73	$ 0.44