Note 7 - Inventories (Detail) - Inventories (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Raw materials	$ 2,916	$ 2,784
Work in process	370	351
Inventory consigned to others	96	201
Finished goods	461	560
	$ 3,843	$ 3,896

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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Gross amount of inventory owned by the entity but in the hands of a customer, typically a reseller.

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