Note 4 - Charges for National Highway Traffic Safety Administration Penalty (Details) - Jun. 30, 2015 - USD ($) $ in Thousands	Total	Total
Cost of Sales [Member]
Penalty Charges	$ 556	$ 1,269
Selling, General and Administrative Expenses [Member]
Penalty Charges	500	1,000
Penalty Charges	$ 1,056	$ 2,269