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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Jan. 31, 2016 $ 67,373 $ 483 $ 45,675 $ 42,212 $ (20,022) $ (975)
Beginning Balance, Shares at Jan. 31, 2016   9,666,290        
Share-based compensation 1,019   1,019      
Employee option exercises $ 388 $ 5 834   (451)  
Employee option exercises, Shares 87,107 93,483        
Restricted stock awards vested, net $ (308) $ 4 (4)   (308)  
Restricted stock awards vested, net, Shares   75,133        
Common Stock - cash dividend-$0.28 per share (2,082)     (2,082)    
Net Income 4,228     4,228    
Other comprehensive income (loss) (81)         (81)
Ending Balance at Jan. 31, 2017 70,537 $ 492 47,524 44,358 (20,781) (1,056)
Ending Balance, Shares at Jan. 31, 2017   9,834,906        
Share-based compensation 1,583   1,583      
Employee option exercises $ 642 $ 4 913   (275)  
Employee option exercises, Shares 84,025 90,042        
Restricted stock awards vested, net $ (103) $ 4 (4)   (103)  
Restricted stock awards vested, net, Shares   71,172        
Repurchase of Common Stock (11,238)       (11,238)  
Common Stock - cash dividend-$0.28 per share (1,944)     (1,944)    
Net Income 3,286     3,286    
Other comprehensive income (loss) 884         884
Ending Balance at Jan. 31, 2018 63,647 $ 500 50,016 45,700 (32,397) (172)
Ending Balance, Shares at Jan. 31, 2018   9,996,120        
Share-based compensation 1,886   1,886      
Employee option exercises $ 1,310 $ 7 1,669   (366)  
Employee option exercises, Shares 150,125 150,125        
Restricted stock awards vested, net $ (233) $ 4 (3)   (234)  
Restricted stock awards vested, net, Shares   72,314        
Reclassification due to adoption of ASU 2018-02 14     14    
Common Stock - cash dividend-$0.28 per share (1,933)     (1,933)    
Net Income 5,730     5,730    
Other comprehensive income (loss) (646)         (646)
Ending Balance at Jan. 31, 2019 $ 69,775 $ 511 $ 53,568 $ 49,511 $ (32,997) $ (818)
Ending Balance, Shares at Jan. 31, 2019   10,218,559