Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock-based Compensation - Non-vested Stock to Directors (Details)

v3.5.0.2
Note 5 - Stock-based Compensation - Non-vested Stock to Directors (Details) - Non Employee Directors [Member]
 6 Months Ended
Oct. 02, 2016
$ / shares
shares
October 2, 2016 [Member]  
Number of Shares (in shares) | shares 28,000
Fair Value Per Share (in dollars per share) | $ / shares $ 10.08
September 27, 2015 [Member]  
Number of Shares (in shares) | shares 28,000
Fair Value Per Share (in dollars per share) | $ / shares $ 8.20
September 28, 2014 [Member]  
Number of Shares (in shares) | shares 28,000
Fair Value Per Share (in dollars per share) | $ / shares $ 7.97
September 29, 2013 [Member]  
Number of Shares (in shares) | shares 28,000
Fair Value Per Share (in dollars per share) | $ / shares $ 6.67