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Note 2 - Summary of Significant Accounting Policies (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Inventory Adjustments (in Dollars)	$ 358	$ 197	$ 358	$ 197
Income Tax Expense (Benefit) (in Dollars)	660	78	632	138
Valuation Allowance, Deferred Tax Asset, Change in Amount (in Dollars)			$ (3,110)

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.