Interim Financial Results (Unaudited) (Tables)

12 Months Ended

Jun. 30, 2012

Interim Financial Results (Unaudited) [Abstract]

Summary of selected quarterly financial information

	Quarter									Year ended June 30, 2012
Year ended June 30, 2012	First		Second		Third			Fourth
Sales, net	$	20,083	$	25,284	$	36,212		$	44,604	$	126,183
Gross profit		17,127		21,604		31,223			38,177		108,131
Net income (loss)	$	3,724	$	8,759	$	(4,846	)	$	4,832	$	12,469
Per common share:
Income (loss) per share, basic	$	0.04	$	0.09	$	(0.05	)	$	0.04	$	0.12
Income (loss) per share diluted	$	0.02	$	0.05	$	(0.05	)	$	0.04	$	0.11

	Quarter												Year ended June 30, 2011
Year ended June 30, 2011	First			Second			Third			Fourth
Sales, net	$	6,443		$	7,460		$	9,975		$	15,041		$	38,919
Gross profit		5,423			6,269			8,393			12,917		$	33,002
Net income (loss)	$	715		$	5,448		$	(9,768	)	$	(47,187	)	$	(50,792	)
Per common share:
Income (loss) per share, basic	$	0.01		$	0.08		$	(0.13	)	$	(0.56	)	$	(0.69	)
Income (loss) per share, diluted	$	(0.01	)	$	(0.00	)	$	(0.13	)	$	(0.56	)	$	(0.69	)