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

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Amount of increase (decrease) in accumulated other comprehensive income (AOCI) for reclassification to retained earnings of tax effect from remeasurement of deferred tax pursuant to Tax Cuts and Jobs Act.

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Note I - Income Taxes (Details Textual) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Expense (Benefit), Total		$ (53)	$ 102	$ (12,863)	$ 840
Effective Income Tax Rate Reconciliation, Percent, Total		3.20%	1.70%	82.40%	3.70%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%	21.00%	21.00%	21.00%
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect					$ (11,355)
State and Local Jurisdiction [Member]
Open Tax Year				2014 2015 2016 2017 2018 2019
Foreign Tax Authority [Member]
Open Tax Year				2016 2017 2018 2019
Domestic Tax Authority [Member]
Open Tax Year				2016 2017 2018 2019
Accounting Standards Update 2018-02 [Member]
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	$ 11,400