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Income recognized in excess of stock compensation expense for individual grant.

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Proceed related to refund of tax withholding for share based compensation.

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Refers to information regarding the maximum fair value of awards per non-employee director under the share-based compensation plan arrangements.

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Stock based compensation.

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Stock issued during period shares stock options exercised during period previously been forfeited.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The amount of the additional liability or refund received or expected based on a final settlement with a taxing authority.

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Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The highest quantity of shares an employee can purchase under the plan per period.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Note 23 - Stock-based Compensation (Details Textual) - USD ($)		3 Months Ended		12 Months Ended
	Jul. 27, 2020	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Stock Based Compensation [Line Items]
Share-based compensation arrangement by share-based payment award, stock options, grants				2,917,456
Share-based compensation arrangement by share-based payment award, stock options, expected to vest		700,080		700,080
Options exercised				2,019,187
Other Operating Expense (Income) [Member]
Stock Based Compensation [Line Items]
Income recognized in excess of stock compensation expense for individual grant				$ 1,000,000
Employee Stock Option [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period				7 years
Allocated Share-based Compensation Expense				$ 14,000,000	$ 5,000,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 3,100,000		$ 3,100,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				1 year 7 months 6 days
Share-based compensation arrangement by share-based payment award, stock options, grants	2,400,000
Share-based compensation arrangement by share-based payment award, stock options, vested			1,800,000
Share-based compensation arrangement by share-based payment award, award vesting, percentage			100.00%
Share-based compensation arrangement by share-based payment award, accelerated vesting, number			1,800,000
Share-based compensation arrangement by share-based payment award, stock options, expected to vest		600,000		600,000
Options exercised				2,000,000	0
Stock issued during period shares stock options exercised during period previously been forfeited			300,000	300,000
Proceeds from sale of shares		$ 3,600,000		$ 3,900,000
Refund of withholding taxes on behalf of ex-employees		3,000,000		3,000,000
Refund of withholding taxes on behalf of ex-employees				$ 2,000,000
Compensation expense associated with stock options exercised by ex-employees been forfeited			$ 5,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)				$ 5.86	$ 1.73
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				$ 13,000,000	$ 7,000,000
Employee Stock Option [Member] \| Selling, General and Administrative Expenses [Member]
Stock Based Compensation [Line Items]
Compensation expense associated with cash received for erroneous grants and refund of tax withholding		$ 4,600,000
Employee Stock Option [Member] \| Awarded on July 27, 2020 [Member] \| Selling, General and Administrative Expenses [Member]
Stock Based Compensation [Line Items]
Allocated Share-based Compensation Expense				$ 12,600,000
Employee Stock Option [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Employee Stock Option [Member] \| Minimum [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				2 years
Restricted Stock Units (RSUs) [Member]
Stock Based Compensation [Line Items]
Weighted average grant date fair value				$ 2.91	$ 2.93
Fair value of restricted stock units vested				$ 2,000,000	$ 2,000,000
Omnibus Incentive Plan 2013 [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement By Share-based Payment Award, Number Of Shares Registered for Issuance		13,500,000		13,500,000
Share-based compensation arrangement by share-based payment award shares available for grant description				For purposes of the number of shares available for grant, in accordance with the 2013 Plan, a stock option counts as a fraction of a share, based on the fair market value of the stock option relative to the closing stock price on the date of grant, while each restricted stock unit counts as one share.
Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Fair Value of Awards Per Non-Employee Director		$ 450,000		$ 450,000
Omnibus Incentive Plan 2013 [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)		8,000,000		8,000,000
Omnibus Incentive Plan 2013 [Member] \| Incentive Stock Options [Member] \| Maximum [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)		2,000,000		2,000,000
Omnibus Incentive Plan 2013 [Member] \| Stock Options and Stock Appreciation Rights [Member]
Stock Based Compensation [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee (in Shares)				2,500,000
Omnibus Incentive Plan 2013 [Member] \| Unvested Restricted Stock Awards [Member]
Stock Based Compensation [Line Items]
Allocated Share-based Compensation Expense				$ 1,000,000	$ 2,000,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 100,000		$ 100,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				9 months 18 days