CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) (USD $)	3 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Sales and contract revenues	$ 1,415,218	$ 2,524,139
Cost of sales and contracts	779,319	1,259,767
Gross profit	635,899	1,264,372
Selling, general and administration expenses	745,370	581,143
Research and development costs	99,462	14,264
Total selling, general and administration expenses	844,832	595,407
Operating income (loss)	(208,933)	668,965
Other income
Interest income (net)	38,292	13,289
Other income	6,480	12,674
Total other income	44,772	25,963
Income (loss) from operations before income taxes	(164,161)	694,928
Income tax expense (benefit)	(55,815)	236,276
Net income (loss) before discontinued operations	(108,346)	458,652
Loss from discontinued operations	(18,044)	(312,044)
Income tax benefit from discontinued operations	6,135	106,095
Net loss from discontinued operations	(11,909)	(205,949)
Net income (loss)	$ (120,255)	$ 252,703
Basic income (loss) per common share
Continuing operations	$ (0.05)	$ 0.20
Discontinued operations	$ 0.00	$ (0.09)
Net income (loss)	$ (0.05)	$ 0.11
Diluted income (loss) per common share
Continuing operations	$ (0.05)	$ 0.20
Discontinued operations	$ 0.00	$ (0.09)
Net income (loss)	$ (0.05)	$ 0.11
Basic weighted average of common shares outstanding	2,311,124	2,304,659
Diluted weighted average of common shares outstanding	2,311,124	2,304,659