Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2012	Mar. 31, 2011
Condensed Consolidated Statements of Operations (Unaudited) [Abstract]
Net revenues	$ 4,908,000	$ 5,165,000	$ 14,542,000	$ 18,022,000
Cost of revenues	3,727,000	3,145,000	9,658,000	11,051,000
Gross profit	1,181,000	2,020,000	4,884,000	6,971,000
Expenses:
Selling, general and administrative	1,984,000	2,151,000	6,291,000	6,424,000
Research and development	959,000	715,000	2,919,000	2,214,000
Total operating expenses	2,943,000	2,866,000	9,210,000	8,638,000
Interest and other income, net	0	1,000	78,000	268,000
Net loss	$ (1,762,000)	$ (845,000)	$ (4,248,000)	$ (1,399,000)
Per share data:
Basic and diluted net loss per common share (in dollars per share)	$ (0.11)	$ (0.06)	$ (0.26)	$ (0.10)
Shares used in computing per share data (in shares)	16,406,366	14,846,366	16,382,477	14,306,095