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Note 6 - Income Taxes (Details) - Summary Reconciliation Reported Amount of Income Tax Expense - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Summary Reconciliation Reported Amount of Income Tax Expense [Abstract]
Tax (benefit) expense at the U.S. federal statutory rate			$ (6,182)	$ 1,033
Tax (benefit) expense at the U.S. federal statutory rate	35.00%		35.00%	35.00%
State tax based on income, net of refunds and federal benefits			$ (339)	$ 13
State tax based on income, net of refunds and federal benefits			1.90%	0.40%
Taxes on subsidiaries’ earnings allocated to noncontrolling interests owners			$ (397)	$ (1,113)
Taxes on subsidiaries’ earnings allocated to noncontrolling interests owners			2.30%	(37.70%)
Valuation allowance			$ 6,545	$ 104
Valuation allowance			(37.10%)	3.50%
Other permanent differences			$ 404	$ (9)
Other permanent differences			(2.30%)	(0.30%)
Income tax expense	$ 28	$ 28	$ 31	$ 28
Income tax expense			(0.20%)	0.90%

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- Definition

The total tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate applied to permanent differences.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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