Annual report pursuant to Section 13 and 15(d)

Note 4 - Retirement Plan (Details Textual)

v3.4.0.3
Note 4 - Retirement Plan (Details Textual) - USD ($)
12 Months Ended
Apr. 03, 2016
Mar. 29, 2015
Mar. 30, 2014
First 2% Employee Contributions [Member]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 100.00% 100.00% 100.00%
Defined Contribution Plan Employee Contribution Percent 2.00% 2.00% 2.00%
Next 1% Employee Contributions [Member]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay   50.00% 50.00%
Defined Contribution Plan Employee Contribution Percent   1.00% 1.00%
Next 3% Employee Contributions [Member]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 50.00%    
Defined Contribution Plan Employee Contribution Percent 3.00%    
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 203,000 $ 171,000