Percentage Of Shares Vested

No definition available.

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- Definition

Share Conversion Ratio

+ 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

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

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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- Definition

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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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

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

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- Definition

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

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- Definition

Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. 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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- Definition

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

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- Definition

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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- Definition

Amount of stock repurchase plan authorized.

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No definition available.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Stock-Based Compensation And Stock Repurchases (Narrative) (Details) - USD ($)				1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Apr. 21, 2023	Apr. 11, 2023	Mar. 05, 2020	Apr. 30, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Mar. 10, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase program, amount authorized					$ 26,000,000.0		$ 26,000,000.0
Share conversion ratio							1
Number of Stock Options, Granted							0
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense					9,000	$ 53,000	$ 27,000	$ 159,000
Unrecognized estimated compensation cost related to non-vested stock options granted					9,000		$ 9,000
Recognition period of unrecognized compensation cost							3 months
Share price							$ 2.12
Intrinsic unrealized value of all options outstanding, vested and expected to vest
Minimum [Member] \| 2020 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							1 year
Maximum [Member] \| 2020 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							4 years
Stock option expiry period							5 years
Class A Nonvoting Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price							$ 13.39
Shares repurchased plan, shares							1,792,819
Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased plan, shares							0	0
Class A [Member] \| 2020 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock authorized for issuance					1,250,000		1,250,000
Additional shares authorized							278,193
$25 Million Stock Repurchase Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase program, amount authorized										$ 25,000,000.0
$25 Million Stock Repurchase Program [Member] \| Class A Nonvoting Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share price			$ 7.30
Shares repurchased plan, shares			25,000
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense					$ 604,000	$ 444,000	$ 1,300,000	$ 1,200,000
Unrecognized estimated compensation cost related to non-vested stock options granted					$ 4,100,000		$ 4,100,000
Vesting period of stock options and RSU							1 year 5 months 23 days
Number of options, Granted	52,350	85,139					2,233,372		697,515
Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							4 years
Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member] \| Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage				75.00%
Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member] \| Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage				25.00%
Directors [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options, Granted							339,438		189,880
Management [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							4 years
Percentage of shares vested							25.00%
Number of options, Granted							1,893,934		507,635
Non-employee Director [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							1 year
Chief Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of stock options and RSU							4 years
Chief Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member] \| Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage				50.00%
Chief Executive Officer [Member] \| Restricted Stock Units (RSUs) [Member] \| Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage				50.00%