Concentration Of Risk, Segment, And Geographic Information (Summary Of Revenues By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Revenues	$ 16,589	$ 16,410	$ 31,593	$ 29,298
United States [Member]
Segment Reporting Information [Line Items]
Revenues	10,191	9,316	20,192	16,445
Other North America [Member]
Segment Reporting Information [Line Items]
Revenues	1,482	746	2,044	1,480
Total North America [Member]
Segment Reporting Information [Line Items]
Revenues	11,673	10,062	22,236	17,925
Japan [Member]
Segment Reporting Information [Line Items]
Revenues	3,465	3,637	6,633	6,826
Other Asia Pacific Countries [Member]
Segment Reporting Information [Line Items]
Revenues	555	704	667	920
Total Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	4,020	4,341	7,300	7,746
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	894	2,007	2,053	3,539
South America [Member]
Segment Reporting Information [Line Items]
Revenues	$ 2		$ 4	$ 88