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Note 10 - Income Taxes - Provision for Income Taxes Differs from the Amount Computed by Applying the Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income (loss) for the year before provision for income taxes	$ (103,070)	$ (27,788)	$ 7,270
Computed federal tax expense	(21,644)	(5,836)	1,527
State income taxes	(2,891)	845	314
Foreign earnings	5,976	386	382
Changes in valuation allowance	11,213	4,023	2,300
Foreign income tax deduction	(1,571)	0	0
Adjustments recognized in the current period for income tax of prior periods	1,569	250	377
Permanent differences	(90)	(112)	205
Shortfall (excess) tax benefits on share-based compensation	0	138	(1,556)
Others	565	89	357
Provision (recovery) for income taxes	$ (6,873)	$ (217)	$ 3,906

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Amount 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 change in valuation allowance on pre-2017 foreign tax credits.

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