Annual report pursuant to Section 13 and 15(d)

Note 4 - Retirement Plan (Details Textual)

v3.7.0.1
Note 4 - Retirement Plan (Details Textual) - USD ($)
12 Months Ended
Apr. 02, 2017
Apr. 03, 2016
Mar. 29, 2015
Defined Contribution Plan, Employer Discretionary Contribution Amount $ 252,000 $ 203,000  
First 2% Employee Contributions [Member]      
Defined Contribution Plan Employee Contribution Percent 2.00%   2.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 100.00%   100.00%
Next 1% Employee Contributions [Member]      
Defined Contribution Plan Employee Contribution Percent     1.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay     50.00%
Next 3% Employee Contributions [Member]      
Defined Contribution Plan Employee Contribution Percent 3.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 50.00%