Note 7 - Inventories (Details) - Inventories at Lower of FIFO Cost or Market (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Jun. 30, 2013
Inventories at Lower of FIFO Cost or Market [Abstract]
Raw materials	$ 1,525	$ 1,027
Finished goods	2,447	1,684
Subtotal	3,972	2,711
Less: Inventory reserve	(1,253)	(1,083)
Net inventory balance	$ 2,719	$ 1,628