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Note 10 - Summary Reconciliation Reported Amount of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tax benefit at the U.S. federal statutory rate	$ (6,013)	$ (1,608)	$ (24,081)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%	35.00%	35.00%
State tax based on income, net of refunds and federal benefits	$ (740)	$ (155)	$ (1,280)
State tax based on income, net of refunds and federal benefits	4.30%	3.40%	1.80%
Taxes on subsidiaries’ and joint ventures’ earnings allocated to noncontrolling interests owners	$ (2,620)	$ (2,365)	$ (1,375)
Taxes on subsidiaries’ and joint ventures’ earnings allocated to noncontrolling interests owners	15.30%	51.50%	2.00%
Valuation allowance	$ 9,404	$ 4,152	$ (28,215)
Valuation allowance	(54.70%)	(90.40%)	(41.00%)
Reduction of tax receivable		$ 524
Reduction of tax receivable		(11.40%)
Non-taxable interest income			$ (195)
Non-taxable interest income			0.30%
Other permanent differences	$ (24)	$ 84	$ (62)
Other permanent differences	0.10%	(1.90%)	0.10%
Income tax expense	$ 7	$ 632	$ 1,222
Income tax expense		(13.80%)	(1.80%)

X

- 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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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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