Quarterly Consolidated Financial Information (Schedule Of Quarterly Financial Information) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Quarterly Consolidated Financial Information [Abstract]
Net sales	$ 14,708	$ 16,291	$ 16,410	$ 12,888	$ 63,444	$ 60,297	$ 66,800
Gross margin	8,446	10,012	8,998	7,281	36,837	34,737	37,397
Operating income (loss)	187	732	(461)	(2,504)	5,035	(2,046)	(2,719)
Net income (loss)	$ 209	$ 337	$ (833)	$ (2,600)	$ 4,248	$ (2,887)	$ (3,255)
Net income (loss) per share-basic	$ 0.02	$ 0.04	$ (0.10)	$ (0.31)	$ 0.49	$ (0.34)	$ (0.39)
Net income (loss) per share-diluted	$ 0.02	$ 0.04	$ (0.10)	$ (0.31)	$ 0.48	$ (0.34)	$ (0.39)