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Accounts Payable and Accrued Expenses
 6 Months Ended
Sep. 30, 2018
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expenses
Accounts Payable and Accrued Expenses
Accounts payable and accrued expenses at September 30, 2018 and March 31, 2018 consisted of the following (in thousands):
 
September 30,
2018
 
March 31,
2018
Accounts payable
$
3,934

 
$
3,096

Accrued inventories in-transit
411

 
1,207

Accrued other miscellaneous expenses
2,836

 
2,412

Advanced deposits
890

 
—

Accrued compensation
3,424

 
3,605

Income taxes payable
2,049

 
536

Accrued warranty
1,760

 
1,769

Total
$
15,304

 
$
12,625


The Company generally provides a one to two year warranty on its products, commencing upon delivery or installation where applicable. A provision is recorded upon revenue recognition to cost of revenues for estimated warranty expense based on historical experience.
Product warranty activity was as follows (in thousands):
 
Three months ended September 30,
 
Six months ended September 30,
 
2018
 
2017
 
2018
 
2017
Balance at beginning of period
$
1,752

 
$
2,026

 
$
1,769

 
$
2,344

Change in accruals for warranties during the period
213

 
86

 
317

 
127

Settlements during the period
(205
)
 
(260
)
 
(326
)
 
(619
)
Balance at end of period
$
1,760

 
$
1,852

 
$
1,760

 
$
1,852