Annual report pursuant to Section 13 and 15(d)

Note 6 - Retirement Plan (Detail)

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Note 6 - Retirement Plan (Detail) (USD $)
12 Months Ended
Mar. 31, 2013
Apr. 01, 2012
Defined Contribution Plan, Employer Discretionary Contribution Amount (in Dollars) $ 151,000 $ 153,000
First 2% Employee Contributions [Member]
   
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 100.00%  
Defined Contribution Plan, Employee Contribution Percent 2.00%  
Next 1% Employee Contributions [Member]
   
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay 50.00%  
Defined Contribution Plan, Employee Contribution Percent 1.00%