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Warranty (Tables)
 12 Months Ended
Jan. 31, 2019
Standard Product Warranty Disclosure [Abstract]  
Warranty claim activity
The following is a summary of the Company’s warranty-claim activity during for the years ended January 31 (in thousands):

 
2019
 
2018
Beginning balance
 
$
925

 
$
1,000

Provision for current year
 
600

 
760

Provision for (benefits from) prior year
 
(555
)
 
(380
)
Costs incurred
 
(270
)
 
(455
)
Ending balance
 
$
700

 
$
925