Concentration Of Credit Risk, Segment, And Geographic Information (Summary Of Revenues By Geographic Area) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 16,927	$ 16,291	$ 48,520	$ 45,589
United States [Member]
Segment Reporting Information [Line Items]
Revenues	9,239	5,366	29,431	21,833
Canada [Member]
Segment Reporting Information [Line Items]
Revenues	3,018	1,060	5,062	2,540
Total North America [Member]
Segment Reporting Information [Line Items]
Revenues	12,257	6,426	34,493	24,373
Japan [Member]
Segment Reporting Information [Line Items]
Revenues	2,266	7,829	8,899	14,655
Other Asia Pacific Countries [Member]
Segment Reporting Information [Line Items]
Revenues	996	879	1,663	1,776
Total Asia Pacific [Member]
Segment Reporting Information [Line Items]
Revenues	3,262	8,708	10,562	16,431
Europe [Member]
Segment Reporting Information [Line Items]
Revenues	1,408	1,149	3,461	4,689
South America [Member]
Segment Reporting Information [Line Items]
Revenues		$ 8	$ 4	$ 96