Note 11 - Share-Based Compenseation (Details) - Compensation cost charged to expense under all stock based incentive awards (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 24, 2012
Note 11 - Share-Based Compenseation (Details) - Compensation cost charged to expense under all stock based incentive awards [Line Items]
Share-based compensation expense	$ 147,000	$ 56,000
Employee Stock Option [Member]
Note 11 - Share-Based Compenseation (Details) - Compensation cost charged to expense under all stock based incentive awards [Line Items]
Share-based compensation expense	56,000	56,000
Restricted Stock [Member]
Note 11 - Share-Based Compenseation (Details) - Compensation cost charged to expense under all stock based incentive awards [Line Items]
Share-based compensation expense	$ 91,000	$ 0