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Warranties
 12 Months Ended
Jan. 31, 2017
Product Warranty Costs [Abstract]  
Warranties
NOTE 8
WARRANTIES

Changes in the warranty accrual were as follows:
 
 
For the years ended January 31,
 
 
2017
 
2016
 
2015
Beginning balance
 
$
1,835

 
$
3,120

 
$
2,525

Acquired
 
—

 
—

 
50

Accrual for warranties
 
1,597

 
1,945

 
3,467

Settlements made
 
(1,885
)
 
(3,230
)
 
(2,922
)
Ending balance
 
$
1,547

 
$
1,835

 
$
3,120