Accounts Payable And Accrued Expenses

9 Months Ended

Dec. 31, 2012

Accounts Payable And Accrued Expenses [Abstract]

8. Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consisted of the following (in thousands):


		December 31,		March 31,
		2012		2012
Accounts payable	$	7,207	$	8,191
Accrued inventories in-transit		2,712		3,330
Accrued miscellaneous expenses		8,494		9,595
Accrued outside services		1,649		113
Accrued subcontractor program costs		1,924		1,885
Accrued compensation		4,208		8,380
Income taxes payable		108		192
Accrued warranty		4,018		5,896
Total	$	30,320	$	37,582

Product Warranty

The Company generally provides a one to three year warranty on its products, commencing upon installation. 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				Nine months ended
		December 31,				December 31,
		2012		2011		2012		2011
Balance at beginning of period	$	4,792	$	7,055	$	5,896	$	7,907
Change in accruals for warranties during the period		(627)		(300)		(1,178)		(774)
Settlements during the period		(147)		(482)		(700)		(860)
Balance at end of period	$	4,018	$	6,273	$	4,018	$	6,273