Note 10. Discontinued Operations (Results of Discontinued Operations - ECD) (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
non-operating expense, disposal group	$ 0	$ (87,000)	$ 0	$ (88,000)
Income (Loss) before income taxes	3,946,858	(3,426,203)	4,137,824	(3,717,172)
ECD [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net	0	3,093,000	3,637,000	6,707,000
Cost of goods	0	2,822,000	2,194,000	5,166,000
Market, general and administrative	72,000	1,037,000	1,248,000	2,133,000
Research and development	0	110,000	76,000	272,000
Total Costs and expenses	72,000	3,969,000	3,518,000	7,571,000
Income (loss) from discontinued operations	(72,000)	(963,000)	119,000	(952,000)
Gain on sale of assets	3,939,000	0	3,939,000	0
Income (Loss) before income taxes	$ 3,867,000	$ (963,000)	$ 4,058,000	$ (952,000)