For the Three Months Ended September 30,				For the Six Months Ended September 30,
			2005		2004		2005		2004
Revenue		$	20,164	$	26,998	$	41,046	$	52,331
Operating expenses:
Cost of sales			13,518		19,775		28,350		38,543
Selling and administrative			5,161		4,424		10,333		8,864
			18,679		24,199		38,683		47,407
Income from operations			1,485		2,799		2,363		4,924
Other income (expense):
Interest income			254		53		410		111
Interest expense			(1)		(1)		(2)		(2)
			253		52		408		109
Income before income taxes			1,738		2,851		2,771		5,033
Provision for income taxes			634		1,041		1,011		1,837
Net income		$	1,104	$	1,810	$	1,760	$	3,196
Basic net income per share		$	0.10	$	0.18	$	0.17	$	0.33
Diluted net income per share		$	0.10	$	0.17	$	0.16	$	0.31
Shares used in per share calculations:
Basic			10,551		9,822		10,550		9,810
Diluted			11,061		10,471		11,080		10,459