Note K - Share-based Compensation (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards (USD $)	3 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Note K - Share-based Compensation (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards [Line Items]
Share-based Compensation Expense	$ 191,000	$ 147,000
Employee Stock Option [Member]
Note K - Share-based Compensation (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 K - Share-based Compensation (Details) - Compensation Cost Charged to Expense under All Stock-based Incentive Awards [Line Items]
Share-based Compensation Expense	$ 135,000	$ 91,000