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Warranty (Tables)
 12 Months Ended
Jan. 31, 2016
Standard Product Warranty Disclosure [Abstract]  
Warranty claim activity
The following is a summary of the Company’s warranty-claim activity during 2016 and 2015.
 
January 31,
(In thousands)
2016
 
2015
Beginning balance
$
950

 
$
1,000

Provision for current year
675

 
650

Provision for (benefits from) prior year
(250
)
 
(258
)
Costs incurred
(375
)
 
(442
)
Ending balance
$
1,000

 
$
950