Annual report pursuant to Section 13 and 15(d)

Note 8 - Stock-based Compensation - Stock Option Compensation (Details)

v3.19.2
Note 8 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
12 Months Ended
Mar. 31, 2019
Apr. 01, 2018
Allocated share-based compensation $ 377,000 $ 539,000
Share-based Payment Arrangement, Option [Member]    
Allocated share-based compensation 73,000 84,000
Share-based Payment Arrangement, Option [Member] | Cost of Sales [Member]    
Allocated share-based compensation 30,000 49,000
Share-based Payment Arrangement, Option [Member] | Selling, General and Administrative Expenses [Member]    
Allocated share-based compensation 43,000 35,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2017 [Member]    
Allocated share-based compensation 10,000 41,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2017 [Member] | Cost of Sales [Member]    
Allocated share-based compensation 6,000 26,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2017 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated share-based compensation 4,000 15,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2016 [Member]    
Allocated share-based compensation   7,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2016 [Member] | Cost of Sales [Member]    
Allocated share-based compensation   6,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2016 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated share-based compensation   1,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member]    
Allocated share-based compensation 43,000 36,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member] | Cost of Sales [Member]    
Allocated share-based compensation 17,000 17,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated share-based compensation 26,000 $ 19,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member]    
Allocated share-based compensation 20,000  
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member] | Cost of Sales [Member]    
Allocated share-based compensation 7,000  
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated share-based compensation $ 13,000