Note 5 - Goodwill and Other Intangible Assets (Detail) - Summary of changes in the carrying amount of goodwill (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Balance as of December 31, 2011	$ 57,730
Foreign currency translation	109
Balance as of September 30, 2012	$ 57,839

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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