Note 4 - Property and Equipment, Net (Details) - Property and Equipment, Net (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 7,392	$ 7,359
Less: Accumulated depreciation and amortization	(6,187)	(6,124)
Total	1,205	1,235
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	1,138	1,132
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	4,945	4,918
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment, Gross	$ 59	$ 59