Note 11 - Discontinued Operations (Details) - Financial Information Related to Discontinued Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Financial Information Related to Discontinued Operations [Abstract]
Revenue	$ 10,078	$ 24,782	$ 18,878	$ 45,429
Income from discontinued operations	409	771	693	1,028
Income tax expense	(135)	(285)	(246)	(380)
Income from discontinued operations, net of income tax expense	$ 274	$ 486	$ 447	$ 648

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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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Amount of income (loss) from a disposal group, net of income tax before extraordinary items 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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