Note 6 - Changes in Accumulated Other Comprehensive Gain (Loss) (Details) - Changes in Accumulated Other Comprehensive Loss by Component (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013
Changes in Accumulated Other Comprehensive Loss by Component [Abstract]
Accumulated comprehensive loss at beginning of the year	$ (258)	$ (1,946)
Other comprehensive income before reclassifications	599	(1,295)
Amounts reclassified from accumulated other comprehensive loss	0	0
Net current-period other comprehensive gain (loss)	599	(1,295)
Ending balance	$ 341	$ (3,241)

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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Amount before tax and 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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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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