Note 8 - Income Per Share (Detail) - Table of Earnings Per Share Reconciliation (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 23, 2012	Dec. 25, 2011	Dec. 23, 2012	Dec. 25, 2011
Basic EPS
Basic calculation (in Dollars)	$ 1,062	$ 1,211	$ 5,913	$ 5,076
Basic calculation	4,414,000	4,964,000	4,396,000	5,022,000
Basic calculation (in Dollars per share)	$ 0.24	$ 0.24	$ 1.35	$ 1.01
Effect of dilutive employee stock options and unvested restricted stock (in Dollars)	0	0	0	0
Effect of dilutive employee stock options and unvested restricted stock	198,000	149,000	186,000	137,000
Effect of dilutive employee stock options and unvested restricted stock (in Dollars per share)	$ (0.01)	$ 0	$ (0.06)	$ (0.03)
Diluted EPS
Diluted calculation (in Dollars)	$ 1,062	$ 1,211	$ 5,913	$ 5,076
Diluted calculation	4,612,000	5,113,000	4,582,000	5,159,000
Diluted calculation (in Dollars per share)	$ 0.23	$ 0.24	$ 1.29	$ 0.98