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Restructuring (Tables)
 12 Months Ended
Mar. 31, 2017
Restructuring and Related Activities [Abstract]  
Schedule of Restructuring Charges and Cash Payments
The following table presents restructuring charges and cash payments during the year ended March 31, 2016 (in thousands):
 
Severance pay
and benefits
 
Facility exit and
Relocation costs
 
Total
Accrued restructuring balance at April 1, 2015
$
180

 
$
—

 
$
180

Charges to operations
(5
)
 
38

 
33

Cash payments
(175
)
 
(38
)
 
(213
)
Accrued restructuring balance at March 31, 2016
$
—

 
$
—

 
$
—