Note 9 - Income Taxes (Details) - Components of Income Tax Expense	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Components of Income Tax Expense [Abstract]
Statutory income tax rate	34.00%	34.00%	34.00%
State and foreign income taxes, net of federal benefit	(1.00%)	1.00%	1.00%
Change in valuation allowance	(66.00%)	(69.00%)
Foreign earnings taxed at different rate			(24.00%)
Change in estimated state income tax rate		(5.00%)	3.00%
Other permanent differences	4.00%	12.00%	40.00%
Effective tax rate	(29.00%)	(27.00%)	54.00%

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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 changes in the valuation allowance for deferred tax assets.

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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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