Note 10. Discontinued Operations (Results of Discontinued Operations - ECD) (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
non-operating expense, disposal group	$ 0	$ 0	$ 0	$ (90,000)
Income (Loss) before income taxes	(2,103)	(300,269)	4,135,506	(4,014,025)
ECD [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net	0	2,968,000	3,637,000	9,675,000
Cost of goods	0	2,094,000	2,194,000	7,261,000
Market, general and administrative	1,000	1,059,000	1,249,000	3,187,000
Research and development	0	115,000	76,000	386,000
Total Costs and expenses	1,000	3,268,000	3,519,000	10,834,000
Income (loss) from discontinued operations	(1,000)	(300,000)	118,000	(1,249,000)
Gain on sale of assets	(1,000)	0	3,938,000	0
Income (Loss) before income taxes	$ (2,000)	$ (300,000)	$ 4,056,000	$ (1,249,000)