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Note 5 - Restructuring and Other Charges (Detail) - Liability for Restructuring and Other Charges (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012
Balance - January 1, 2012		$ 0
Accruals for facility closure costs		313
Cash payments related to facility closure costs		(359)
Refund of lease termination fees	46	46
Balance - December 31, 2012	$ 0	$ 0

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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