Concentration Of Risk (Narrative) (Details) (USD $)	3 Months Ended				12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013 segment	Jun. 30, 2012	Jun. 30, 2011
Segment Reporting Information [Line Items]
Number of operating segments					2
Revenue	$ 14,708,000	$ 16,291,000	$ 16,410,000	$ 12,888,000	$ 63,444,000	$ 60,297,000	$ 66,800,000
International Sales [Member]
Segment Reporting Information [Line Items]
Revenue					24,474,000	30,093,000	26,806,000
Total sales, percentage					39.00%	50.00%	40.00%
Government Contracts Concentration Risk [Member]
Segment Reporting Information [Line Items]
Revenue					$ 9,573,000	$ 8,060,000	$ 11,878,000
Total sales, percentage					15.00%	13.00%	18.00%