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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($)
$ in Thousands
Total
Common Stock
Capital Contributed in Excess of Par Value
Accumulated Earnings
Accumulated Other Comprehensive (Loss) Income
Balance at May. 01, 2016 $ 128,812 $ 614 $ 43,795 $ 84,547 $ (144)
Balance (in shares) at May. 01, 2016   12,265,489      
Net income 9,789        
Unrealized gain on investments 100        
Balance at Oct. 30, 2016 135,949        
Balance at May. 01, 2016 128,812 $ 614 43,795 84,547 (144)
Balance (in shares) at May. 01, 2016   12,265,489      
Net income 22,334     22,334  
Stock-based compensation 3,358   3,358    
Unrealized gain on investments 140       140
Excess tax benefit related to stock based compensation 657   657    
Common stock issued in connection with vesting of performance based restricted stock units   $ 2 (2)    
Common stock issued in connection with vesting of performance based restricted stock units (in shares)   49,192      
Fully vested common stock award   4,800      
Common stock issued in connection with exercise of stock options 588 $ 3 585    
Common stock issued in connection with exercise of stock options (in shares)   68,000      
Common stock surrendered for the cost of stock option exercises and withholding taxes payable (979) $ (1) (978)    
Common stock surrendered for the cost of stock option exercises and withholding taxes payable (in shares)   (30,850)      
Dividends paid (6,280)     (6,280)  
Balance at Apr. 30, 2017 [1] 148,630 $ 618 47,415 100,601 (4)
Balance (in shares) at Apr. 30, 2017 [1]   12,356,631      
Net income 8,959     8,959  
Stock-based compensation 1,558   1,558    
Unrealized gain on investments 64       64
Common stock issued in connection with vesting of performance based restricted stock units   $ 6 (6)    
Common stock issued in connection with vesting of performance based restricted stock units (in shares)   118,845      
Fully vested common stock award   4,800      
Common stock issued in connection with vesting of time- based restricted stock unit (in shares)   1,200      
Common stock issued in connection with exercise of stock options 5   5    
Common stock issued in connection with exercise of stock options (in shares)   600      
Common stock surrendered for the cost of stock option exercises and withholding taxes payable (1,533) $ (2) (1,531)    
Common stock surrendered for the cost of stock option exercises and withholding taxes payable (in shares)   (46,800)      
Dividends paid (4,603)     (4,603)  
Balance at Oct. 29, 2017 $ 153,080 $ 622 $ 47,441 $ 104,957 $ 60
Balance (in shares) at Oct. 29, 2017   12,435,276      
[1] Derived from audited financial statements.