Note 15 - Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Increase (Decrease) in Deferred Income Taxes	$ 362
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	5	9
Income Taxes Paid, Net	6,940	9,159
Proceeds from Income Tax Refunds			$ 36,355
Minimum [Member]
Tax Credit Carryforward Expiration	7 years
Maximum [Member]
Tax Credit Carryforward Expiration	20 years

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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This element represents the total of accruals as of the date of the statement of financial position for interest recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties for a tax position claimed or expected to be claimed by the entity, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties.

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