Note 21 - Income Taxes (Details) - Deferred Tax Assets and Liabilities - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Tax/GAAP basis differences		$ 49,600
Total deferred tax assets		77,819	$ 107,856
Net deferred tax assets		55,000	75,541
Net operating losses (1)	[1]	40,100	51,142
Related party deferred losses		1,549	3,843
Tax credit carryforwards		5,304	3,899
Capital loss carryforwards		4,593	3,995
Charitable contribution carryforwards		22	11
Domestic [Member]
Deferred tax assets:
Tax/GAAP basis differences		49,601	68,702
Valuation allowance		(25,045)	(25,045)
Deferred tax liabilities		(19,326)	(25,503)
Foreign [Member]
Deferred tax assets:
Tax/GAAP basis differences		4,555	10,566
Valuation allowance		(2,860)	(9,257)
Deferred tax liabilities		$ (3,493)	$ (6,812)

[1] Expiration dates ranging from 2021 to 2033