Note 8 - Income Taxes (Details) - Effective Tax Rate Differences from the Statutory Rate	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Tax Rate Differences from the Statutory Rate [Abstract]
Statutory rate – Federal US income tax	34.00%	34.00%	34.00%
State and local taxes	6.00%	4.00%	4.00%
Non-U.S. income tax at different rates	(1.00%)	1.00%	2.00%
Domestic production activities deduction	(2.00%)	(1.00%)	(1.00%)
Other, net	(2.00%)	(1.00%)	(2.00%)
Effective rate	35.00%	37.00%	37.00%

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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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 deduction for qualified production activity.

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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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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