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Deferred and restricted stock (Tables)
 12 Months Ended
Jan. 31, 2018
Restricted stock [Line Items]  
Deferred compensation expense [Table Text Block]

(In thousands)
2017

2016

Deferred compensation liabilities

$815


$529
Schedule of restricted stock award activity [Table Text Block]
(Shares in thousands)
Restricted shares
Weighted average price
Aggregate intrinsic value
Outstanding on January 31, 2016
163


$6.40


$1,040

Granted
254

7.29

 
Issued
(123
)
 
 
Forfeited
(4
)
6.72

 
Outstanding on January 31, 2017
290


$8.75


$2,533

 
 
 
 
Granted
178

8.06

 
Issued
(101
)
 
 
Forfeited
(7
)
7.15

 
Outstanding on January 31, 2018
360


$9.05


$3,254