Represents tax expense (benefit) from compensation expense for employee service.

No definition available.

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- Definition

Represents percentage of issued and outstanding for share based compensation by share based payment.

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No definition available.

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The closing price of equity instruments other than options granted during the period under share based payment arrangement.

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- Definition

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

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Aggregate number of common shares reserved for future issuance.

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- Definition

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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- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

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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 number of grants made 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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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

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

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No definition available.

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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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No definition available.

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- Definition

Number of non-vested options outstanding.

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Weighted average grant-date fair value of non-vested options outstanding.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Number of share options (or share units) exercised during the current period.

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Note 16 - Stock-based Compensation (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
	May 17, 2017	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Jan. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				$ 1,300,000	$ 221,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance (in shares)		241,504	90,000	241,504	90,000
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price, Ending Balance (in dollars per share)		$ 4.30	$ 5.35	$ 4.30	$ 5.35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)		211,479	0	287,744	56,498
Proceeds from Stock Options Exercised		$ 2,400,000		$ 3,215,000	$ 712,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value		3,000,000.0		3,800,000	389,000
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense		126,000	$ 60,000	357,000	175,000
Employee Service, Share Based Compensation Tax Expense (Benefit) from Compensation Expense		(534,000)	0	(657,000)	(26,000)
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		763,000	1,200,000	$ 763,000	1,200,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 7 months 6 days
Restricted Stock Units (RSUs) [Member]
Share-based Payment Arrangement, Expense		142,000	106,000	$ 513,000	319,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 817,000	$ 372,000	$ 817,000	$ 372,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 3 months 18 days
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)				60,000	0
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Granted at Closing Price (in dollars per share)				$ 17.74
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)		60,000		60,000		14,475
Stock Option Plan 2010 [Member]
Share Based Compensation, Arrangement By Share Based Payment Award, Common Stock Reserved As Percentage Of Issued And Outstanding							30.00%
Common Stock, Capital Shares Reserved for Future Issuance (in shares)							3,494,478
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)	0
Omnibus Stock Incentive Plan [Member]
Share Based Compensation, Arrangement By Share Based Payment Award, Common Stock Reserved As Percentage Of Issued And Outstanding	30.00%
Common Stock, Capital Shares Reserved for Future Issuance (in shares)	3,848,341
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)		972,045		972,045
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum				5.00%