Lower range limit of percentage of vesting of award under share-based payment arrangement.

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Upper range limit of percentage of vesting of award under share-based payment arrangement.

+ References

No definition available.

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Fair value of awards other than options granted during the period.

+ References

No definition available.

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- Definition

Amount of cost capitalized for award under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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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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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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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 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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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 10 - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		4 Months Ended	6 Months Ended	9 Months Ended		12 Months Ended
	Jun. 14, 2021	Mar. 10, 2021	Aug. 24, 2020	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total				$ 2,928				$ 2,928
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)								2 years 7 months 6 days
Share-based Payment Arrangement, Amount Capitalized				$ 0	$ 0		$ 0	$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)								4 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value								$ 981	$ 296
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)								10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share)								$ 5.70	$ 1.48
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)								126,209
Restricted Stock [Member] \| Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)								4 years
Restricted Stock [Member] \| Independent Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)								1 year
Restricted Stock [Member] \| Independent Directors [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage								25.00%
Restricted Stock [Member] \| Independent Directors [Member] \| Share-based Compensation Award, Tranche Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage								25.00%
Restricted Stock [Member] \| Independent Directors [Member] \| Share-based Payment Arrangement, Tranche Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage								25.00%
Restricted Stock [Member] \| Independent Directors [Member] \| Share-based Payment Arrangement, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage								25.00%
Restricted Stock [Member] \| President [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			141,610
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted, Fair Value			$ 650
Restricted Stock [Member] \| President [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			4 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			66,448
Restricted Stock [Member] \| President [Member] \| Restricted Stock Vesting in Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)			75,162
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Lower Range			0.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Upper Range			150.00%
Restricted Stock [Member] \| President [Member] \| Share-based Payment Arrangement, Tranche One [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Restricted Stock [Member] \| President [Member] \| Share-based Payment Arrangement, Tranche One [Member] \| Restricted Stock Vesting in Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)			3 years
Restricted Stock [Member] \| President [Member] \| Vesting Based On Performance Metrics [Member] \| Restricted Stock Vesting in Three Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage										100.00%
Restricted Stock [Member] \| President [Member] \| Share-based Compensation Award, Tranche Four [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Restricted Stock [Member] \| President [Member] \| Share-based Payment Arrangement, Tranche Three [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Restricted Stock [Member] \| President [Member] \| Share-based Payment Arrangement, Tranche Two [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage			25.00%
Restricted Stock [Member] \| Members of The Senior Management [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)		18,000
Restricted Stock [Member] \| Members of The Senior Management [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)						3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage						100.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Lower Range		0.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Upper Range		150.00%
Restricted Stock [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	7,941
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted, Fair Value	$ 133
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	1,988
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Restricted Stock Vesting on August 24, 2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	5,953
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Lower Range	0.00%
Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights Percentage Upper Range	150.00%
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Share-based Payment Arrangement, Tranche One [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Vesting Based On Performance Metrics [Member] \| Restricted Stock Vesting on August 24, 2023 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage								100.00%
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Share-based Compensation Award, Tranche Four [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Share-based Payment Arrangement, Tranche Three [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Stock [Member] \| Chief Financial Officer [Member] \| Share-based Payment Arrangement, Tranche Two [Member] \| Restricted Stock Vesting in Four Years [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%