For the Three Months Ended March 31,				For the Twelve Months Ended March 31,
			2007		2006		2007		2006
Revenue		$	28,257	$	28,391	$	105,998	$	93,394
Operating expenses:
Cost of sales			19,134		19,861		72,492		65,111
Selling and administrative			6,698		6,339		24,938		22,241
Net loss from litigation settlements			-		-		-		-
Asset impairment			-		-		-		-
			25,832		26,200		97,430		87,352
Income from operations			2,425		2,191		8,568		6,042
Other income (expense):
Interest income			406		323		1,521		1,016
Interest expense			(2)		-		(7)		(2)
			404		323		1,514		1,014
Income before income taxes			2,829		2,514		10,082		7,056
Provision for income taxes			1,169		934		4,034		2,590
Net income		$	1,660	$	1,580	$	6,048	$	4,466
Basic net income per share		$	0.16	$	0.15	$	0.57	$	0.42
Diluted net income per share		$	0.15	$	0.14	$	0.54	$	0.40
Shares used in per share calculations:
Basic			10,662		10,631		10,632		10,575
Diluted			11,243		11,151		11,170		11,047