Note 7 - Inventories (Detail) - Inventories at lower of FIFO cost or market (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Raw materials	$ 2,020	$ 3,961
Finished goods	1,349	2,235
Subtotal	3,369	6,196
Less: Inventory reserve	(784)	(1,721)
Net inventory balance	$ 2,585	$ 4,475