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Note 8 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Tax Expense (Benefit), Total	$ (1,027)	$ (299)	$ 790	$ 665
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total	$ (9,008)	1,076	$ (13,336)	5,996
Income Tax Expense (Benefit), Continuing Operations, Valuation Allowance on Foreign Tax Credits and Net Operating Losses		800		1,600
Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount		$ 200
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount				$ 400

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- Definition

Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to excess tax benefit for share-based compensation cost.

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Amount of income tax expense (benefit) from continuing operations attributable to valuation allowance on foreign tax credits and net operating losses not expected to be utilized in the future for enacted changes in tax laws or rates or a change in the tax status of the entity.

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