Note 7 - Inventories (Detail) - Inventories at lower of FIFO cost or market (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Raw materials	$ 2,682	$ 3,961
Finished goods	2,077	2,235
Subtotal	4,759	6,196
Less: Inventory reserve	(768)	(1,721)
Net inventory balance - current	$ 3,991	$ 4,475