Number of stock-based compensation plans in effect

No definition available.

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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- Definition

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

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Note 6 - Stock-based Compensation (Details Textual)	3 Months Ended		6 Months Ended	9 Months Ended
Note 6 - Stock-based Compensation (Details Textual)	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) shares	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($)	Aug. 31, 2020 shares
Number of Stock-based Compensation Plans in Effect	3		3	3
Share-based Payment Arrangement, Expense \| $	$ 32,000	$ 207,000		$ 287,000	$ 330,000
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total \| $	$ 42,000		$ 42,000	$ 42,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)	0			67,500
The 2020 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in shares)						200,000
The 2020 Plan [Member] \| Three Independent Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period (in shares)			0