Represents tax expense 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.

+ References

No definition available.

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- Definition

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

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

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 cost to be recognized for option under share-based payment arrangement.

+ References

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- Definition

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

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- Definition

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

+ References

No definition available.

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- Definition

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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- Definition

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.

+ References

No definition available.

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- Definition

Number of non-vested options outstanding.

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No definition available.

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- Definition

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

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No definition available.

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- Definition

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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- Definition

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

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Note 15 - Stock-based Compensation (Details Textual) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	May 17, 2017	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jan. 31, 2017
Share-based Payment Arrangement, Expense		$ 167,000	$ 147,000	$ 494,000	$ 543,000
Employee Service, Share Based Compensation Tax Expense From Compensation Expense		0	$ 38,000	26,000	78,000
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount		$ 393,000		393,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value				$ 221,000		$ 484,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares, Ending Balance (in shares)		90,000		90,000		76,500
Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price, Ending Balance (in dollars per share)		$ 5.35		$ 5.35		$ 6.32
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)				56,498		200,629
Proceeds from Stock Options Exercised				$ 712,000	$ 2,694,000	$ 2,800,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value				$ 389,000		$ 1,200,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 8 months 12 days
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)		1,239,045		1,239,045
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum				6.28%