CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net sales	$ 3,007,000	$ 4,017,000	$ 6,468,000	$ 9,062,000
Cost of sales	1,974,000	2,770,000	4,199,000	5,707,000
Gross profit	1,033,000	1,247,000	2,269,000	3,355,000
Operating expenses:
Selling expenses	322,000	369,000	596,000	743,000
General and administrative expenses	627,000	688,000	1,234,000	1,504,000
Research and development costs	464,000	508,000	870,000	1,069,000
Total operating expenses	1,413,000	1,565,000	2,700,000	3,316,000
Income (loss) from continuing operations before items below	(380,000)	(318,000)	(431,000)	39,000
Other expense:
Interest expense		(10,000)	(6,000)	(20,000)
Total other expense		(10,000)	(6,000)	(20,000)
Income (loss) from continuing operations before provision for (benefit from) income taxes	(380,000)	(328,000)	(437,000)	19,000
Provision for (benefit from) income taxes	(16,000)	1,000	(19,000)	2,000
Income (loss) from continuing operations	(364,000)	(329,000)	(418,000)	17,000
Income from discontinued operations, net of provision for income taxes of $21,000 in 2012 and $0 in 2011	16,000	37,000	53,000	137,000
Net income (loss)	$ (348,000)	$ (292,000)	$ (365,000)	$ 154,000
Income (loss) from continuing operations
Basic	$ (0.11)	$ (0.10)	$ (0.13)	$ 0.01
Diluted	$ (0.11)	$ (0.10)	$ (0.13)	$ 0.01
Income from discontinued operations
Basic		$ 0.01	$ 0.02	$ 0.04
Diluted		$ 0.01	$ 0.02	$ 0.04
Net income (loss)
Basic	$ (0.11)	$ (0.09)	$ (0.11)	$ 0.05
Diluted	$ (0.11)	$ (0.09)	$ (0.11)	$ 0.05
Weighted average shares outstanding-basic	3,319,180	3,272,350	3,299,379	3,272,350
Weighted average shares outstanding-diluted	3,319,180	3,272,350	3,299,379	3,292,508