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Note 15 - Restructuring Charge (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2012	Mar. 31, 2012	Dec. 31, 2012
Restructuring and Related Cost, Incurred Cost	$ 809	$ 3,832	$ 110
Restructuring Reserve, Settled with Cash	175
Restructuring Reserve	$ 634

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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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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