Note 2 - Summary of Significant Accounting Policies (Details) - Changes in Accumulated Other Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2013	$ 3,356
Balance at January 1, 2013	3,183
Other comprehensive income (loss), net of tax	(7,453)
Other comprehensive income (loss), net of tax	(6,936)
Balance at September 30, 2013	(4,097)
Balance at September 30, 2013	(3,753)
Investment Hedge, Foreign Exchange Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss), net of tax	138
Balance at September 30, 2013	138
Investment Hedge, Australian Denominated Debt [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at January 1, 2013	(173)
Other comprehensive income (loss), net of tax	379
Balance at September 30, 2013	$ 206

Accumulated change, net of tax, in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges. Includes an entity's share of an equity investee's Increase or Decrease in deferred hedging gains or losses.

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Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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- Definition

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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