Note 3 - Inventories - Inventories at Lower of FIFO Cost or Market (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Raw materials	$ 2,830	$ 3,116
Finished goods	3,061	3,347
Subtotal	5,891	6,463
Less: Inventory reserve	(2,943)	(3,286)
	$ 2,948	$ 3,177