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Stock-Based Compensation And Stock Repurchases (Narrative) (Details) - USD ($) |  |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Jun. 06, 2024 | Dec. 07, 2023 | Apr. 30, 2021 | Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock repurchase value |  |  |  | $ 0 |  | $ 0 |  |
Share conversion ratio |  |  |  |  |  | 1 |  |
Number of Stock Options, Granted |  |  |  |  |  | 0 |  | 0
Stock Option [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Compensation expense |  |  |  | 302,000 | $ 9,000 | $ 466,000 | $ 27,000 |
Unrecognized estimated compensation cost related to non-vested stock options granted |  |  |  | 623,000 |  | $ 623,000 |  |
Recognition period of unrecognized compensation cost |  |  |  |  |  | 11 months 8 days |  |
Value of all options outstanding, vested and expected to vest |  |  |  |  |  |  |  |
Share price |  |  |  |  |  | $ 1.63 |  |
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 |  |
Class A [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Shares repurchased plan, shares |  |  |  |  |  | 0 | 0 |
Number of Stock Options, Granted |  |  |  |  |  | 1,264,603 |  | 207,657
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 |  | 971,807 |  |  |  | 15,048 |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Compensation expense |  |  |  | $ 302,000 | $ 604,000 | $ 1,300,000 | $ 1,300,000 |
Unrecognized estimated compensation cost related to non-vested stock options granted |  |  |  | $ 2,300,000 |  | $ 2,300,000 |  |
Vesting period of stock options and RSU |  |  |  |  |  | 1 year 25 days |  |
Number of options, Granted |  |  |  |  |  | 2,233,372 |  | 1,010,157
Restricted Stock Units (RSUs) [Member] | Tranche One [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  | 85,139 |  |
Restricted Stock Units (RSUs) [Member] | Tranche Two [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  | 52,360 |  |
Restricted Stock Units (RSUs) [Member] | 2020 Stock Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  | 0 |  |
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] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting period of stock options and RSU |  |  |  |  |  | 1 year |  |
Directors [Member] | Class A [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Stock Options, Granted |  |  |  |  |  | 207,657 |  |
Directors [Member] | Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of options, Granted |  |  |  |  |  | 339,438 |  | 216,804
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 |  | 793,353
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% |  |  |  |  |
Senior Executives [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Vesting period of stock options and RSU |  |  |  |  |  | 10 years |  |
Senior Executives [Member] | Class A [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of Stock Options, Granted | 1,264,603 |  |  |  |  |  |  |

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