Note 7 - Balance Sheet Details (Details) - Inventories at Lower of FIFO Cost or Market (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Inventories at Lower of FIFO Cost or Market [Abstract]
Raw materials	$ 2,937	$ 3,116
Finished goods	3,207	3,347
Subtotal	6,144	6,463
Less: Inventory reserve	(3,098)	(3,286)
Net inventory balance	$ 3,046	$ 3,177