Accounts Payable and Accrued Expenses (Tables)

9 Months Ended

Dec. 31, 2013

Schedule of Accounts Payable and Accrued Expenses

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

	December 31,		March 31,
	2013		2013
Accounts payable	$	5,178	$	7,146
Accrued miscellaneous expenses		6,024		9,142
Accrued outside services		4,167		2,251
Accrued subcontractor program costs		290		2,442
Accrued compensation		4,369		6,315
Income taxes payable		148		133
Accrued warranty		3,327		2,709
Total	$	23,503	$	30,138

Schedule of Product Warranty Activity

Product warranty activity was as follows (in thousands):

	Three months ended						Nine months ended
	December 31,						December 31,
	2013			2012			2013			2012
Balance at beginning of period	$	3,069		$	4,792		$	2,709		$	5,896
Change in accruals for warranties during the period		273			(627	)		767			(1,178	)
Settlements during the period		(15	)		(147	)		(149	)		(700	)
Balance at end of period	$	3,327		$	4,018		$	3,327		$	4,018