Intangibles (Schedule Of Intangible Assets) (Details) (USD $)	12 Months Ended
	Jun. 30, 2012 Y	Jun. 30, 2011
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	$ 9,678,000	$ 9,647,000
Total accumulated amortization	(7,940,000)	(7,036,000)
Total intangible assets, net	1,738,000	2,611,000
Purchased Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	7,700,000	7,700,000
Total accumulated amortization	(6,772,000)	(6,047,000)
Total intangible assets, net	928,000	1,653,000
Weighted Average Remaining Useful Life	2.3
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	1,900,000	1,900,000
Total accumulated amortization	(1,161,000)	(988,000)
Total intangible assets, net	739,000	912,000
Weighted Average Remaining Useful Life	4.3
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Total cost of intangibles	78,000	47,000
Total accumulated amortization	$ (7,000)	$ (1,000)
Weighted Average Remaining Useful Life	11.75