Note 2 - Discontinued Operations (Details) - Summary of Operations from Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Summary of Operations from Discontinued Operations [Abstract]
Revenues		$ 17,246	$ 11,744	$ 31,841
Income from discontinued operations before income taxes		5,321	1,770	8,829
Income from discontinued operations, net of tax		3,805	1,152	6,313
Gain from disposal of discontinued operations before income taxes	34,000		33,974
Gain from disposal of discontinued operations, net of tax	$ 22,100		$ 22,117

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Amount of gain (loss), before tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 20

-Section 45

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Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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