Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Revenue Recognition (Details)

v2.4.1.9
Note 3 - Revenue Recognition (Details) (USD $)
3 Months Ended 9 Months Ended
Dec. 27, 2014
Dec. 28, 2013
Dec. 27, 2014
Dec. 28, 2013
Note 3 - Revenue Recognition (Details) [Line Items]        
Revenue Recognition, Milestone Method, Revenue Recognized $ 1,600,000us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized $ 89,000us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized $ 4,500,000us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized $ 397,000us-gaap_RevenueRecognitionMilestoneMethodRevenueRecognized
Minimum [Member]        
Note 3 - Revenue Recognition (Details) [Line Items]        
Warranty Term     12 months  
Maximum [Member]        
Note 3 - Revenue Recognition (Details) [Line Items]        
Warranty Term     18 months