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Note 8 - Restructuring (Detail) - Summary of Activities of Restructuring Liabilities (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Beginning balance	$ 622	$ 1,219	$ 728	$ 1,379
Ending balance	697	943	697	943
Restructuring charges (credits)	91	(122)	83	(133)
Adjustments	162	7	166	17
Cash payments	$ (178)	$ (161)	$ (280)	$ (320)

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of any reversal and other adjustment made during the period to the amount of a previously accrued liability for a specified type of restructuring cost, excluding adjustments for costs incurred during the period, costs settled during the period, and foreign currency translation adjustments.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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