Note 14 - Quarterly Financial Information (Unaudited) (Details) - Quarterly Financial Information (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Mar. 30, 2014		Dec. 29, 2013		Sep. 29, 2013		Jun. 30, 2013		Mar. 31, 2013		Dec. 23, 2012		Sep. 23, 2012		Jun. 24, 2012		Mar. 30, 2014	Mar. 31, 2013	Mar. 25, 2012
Quarterly Financial Information [Abstract]
Total revenues	$ 17,331		$ 18,533		$ 23,662		$ 23,401		$ 14,976		$ 15,025		$ 21,360		$ 20,182		$ 82,927	$ 71,543	$ 66,222
Gross profit (a)	2,004	[1]	2,457	[1]	4,513	[1]	3,475	[1]	1,623	[1]	2,044	[1]	4,695	[1]	3,420	[1]
Net income	$ 1,218		$ 1,107		$ 2,648		$ 3,354		$ 1,555		$ 1,062		$ 2,845		$ 2,006		$ 8,327	$ 7,468	$ 6,158
Net income per share
Basic (b) (in Dollars per share)	$ 0.27	[2]	$ 0.25	[2]	$ 0.59	[2]	$ 0.76	[2]	$ 0.35	[2]	$ 0.24	[2]	$ 0.65	[2]	$ 0.46	[2]	$ 1.87	$ 1.70	$ 1.26
Diluted (b) (in Dollars per share)	$ 0.27	[2]	$ 0.24	[2]	$ 0.57	[2]	$ 0.73	[2]	$ 0.34	[2]	$ 0.23	[2]	$ 0.62	[2]	$ 0.44	[2]	$ 1.81	$ 1.63	$ 1.22
Shares used in computation of net income per share
Basic (b) (in Shares)	4,459,000	[2]	4,466,000	[2]	4,460,000	[2]	4,415,000	[2]	4,411,000	[2]	4,414,000	[2]	4,407,000	[2]	4,368,000	[2]	4,450,000	4,400,000	4,906,000
Diluted (b) (in Shares)	4,594,000	[2]	4,622,000	[2]	4,625,000	[2]	4,588,000	[2]	4,603,000	[2]	4,612,000	[2]	4,604,000	[2]	4,531,000	[2]	4,605,000	4,588,000	5,049,000

[1] Gross profit represents the difference between sales and cost of sales.

[2] The sum of the quarters may not equal the full year per share amounts included in the accompanying consolidated statements of earnings due to the effect of the weighted average number of shares outstanding during the fiscal years as compared to the quarters.