Note 6. Property and Equipment (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 7,359	$ 7,458
Less: Accumulated depreciation and amortization	(6,124)	(6,009)
Total	1,235	1,449
Land and Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	1,250	1,250
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	1,132	1,132
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	4,918	5,017
Total	198	76
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 59	$ 59