Note 10 - Stock-based Compensation (Tables)
 12 Months Ended
Jan. 31, 2020
Notes Tables  
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
(In thousands)
  
2019
  
2018
Stock-based compensation expense
   $
12
 
   $
33
 
Restricted stock based compensation expense
    
999
 
    
1,132
 
Total stock-based compensation expense
   $
1,011
 
   $
1,165
 
Share-based Payment Arrangement, Option, Activity [Table Text Block]
(Shares in thousands)
  
Options
    
Weighted average exercise price
    
Weighted average remaining contractual term
    
Aggregate intrinsic value
  
Outstanding on January 31, 2018
    
358
     $
9.44
      
4
     $
482
  
                                 
Exercised
    
(77
 )    
6.83
      
 
      
162
  
Expired or forfeited
    
(63
 )    
16.2
      
 
      
 
  
Outstanding on January 31, 2019
    
218
      
8.6
      
3.8
      
257
  
                                 
Options exercisable on January 31, 2019
    
207
     $
8.69
      
3.6
      
239
  
                                 
Exercised
    
(53
 )    
6.91
      
 
      
162
  
Expired or forfeited
    
(33
 )    
7.1
      
 
      
 
  
Outstanding on January 31, 2020
    
132
      
8.98
      
3.2
      
160
  
                                 
Options exercisable on January 31, 2020
    
129
     $
9.01
      
3.14
     $
155
  
Schedule of Nonvested Share Activity [Table Text Block]
Unvested options outstanding (shares in thousands)
  
Options
  
Weighted-average grant date fair value
  
Aggregate intrinsic value
Outstanding on January 31, 2019
    
11
 
   $
7.00
 
   $
19
 
Granted
    
—
 
    
—
 
    
 
 
Vested
    
(6
)
    
 
 
    
 
 
Expired or forfeited    
(2
)
    
7.1
 
    
 
 
Outstanding on January 31, 2020
    
3
 
   $
7.33
 
   $
4
 
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
(Shares in thousands)
  
Restricted shares
  
Weighted average price
  
Aggregate intrinsic value
Outstanding on January 31, 2018
    
360
 
   $
9.05
 
   $
3,254
 
Granted
    
148
 
    
9.76
 
    
 
 
Issued
    
(94
)
    
 
 
    
 
 
Forfeited
    
(131
)
    
7.92
 
    
 
 
Outstanding on January 31, 2019
    
283
 
   $
8.74
 
   $
2,476
 
Granted
    
152
 
    
9.09
 
    
 
 
Issued
    
(51
)
    
 
 
    
 
 
Forfeited
    
(26
)
    
8.79
 
    
 
 
Outstanding on January 31, 2020
    
358
 
   $
9.03
 
   $
3,234