Unaudited Quarterly Financial Data (Details) (USD $)	3 Months Ended								12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Quarterly financial data [Abstract]
Net revenues	$ 4,481,000	$ 4,908,000	$ 4,775,000	$ 4,859,000	$ 5,378,000	$ 5,165,000	$ 5,860,000	$ 6,997,000	$ 19,023,000	$ 23,400,000	$ 23,088,000
Gross Profit	1,449,000	1,181,000	1,704,000	1,999,000	1,866,000	2,020,000	2,356,000	2,595,000	6,333,000	8,837,000	7,445,000
Net income loss	$ (738,000)	$ (1,762,000)	$ (1,278,000)	$ (1,208,000)	$ (1,168,000)	$ (845,000)	$ (486,000)	$ (68,000)	$ (4,986,000)	$ (2,567,000)	$ (5,193,000)
Per share data (Abstract)
Basic and diluted net loss per common share (in dollars per share)	$ (0.04)	$ (0.11)	$ (0.08)	$ (0.07)	$ (0.07)	$ (0.06)	$ (0.03)	$ 0	$ (0.3)	$ (0.17)	$ (0.37)
Shares used in computing per share data (in shares)	16,408,599	16,406,366	16,378,033	16,363,033	16,346,366	14,846,366	14,048,649	14,230,271	16,389,008	14,816,163	14,023,240