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Stock-Based Compensation and Stock Repurchases (Narrative) (Details) - USD ($) |  |  |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 05, 2024 | Dec. 07, 2023 | Apr. 30, 2021 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Nov. 04, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Share conversion ratio |  |  |  |  |  | 1 |  |
Stock Option [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Compensation expense |  |  |  | $ 197,000 | $ 302,000 | $ 762,000 | $ 466,000 |
Unrecognized estimated compensation cost related to non-vested stock options granted |  |  |  | 1,000,000.0 |  | $ 1,000,000.0 |  |
Recognition period of unrecognized compensation cost |  |  |  |  |  | 1 year 2 months 12 days |  |
Value of all options outstanding, vested and expected to vest |  |  |  |  |  |  |  |
Share price |  |  |  |  |  | $ 1.47 |  |
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] | 2020 Stock Incentive Plan [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Common Stock authorized for issuance |  |  |  | 1,179,656 |  | 1,179,656 |  | 1,250,000
Additional shares authorized | 3,500,000 | 971,807 |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Compensation expense |  |  |  | $ 194,000 | $ 302,000 | $ 759,000 | $ 1,300,000 |
Unrecognized estimated compensation cost related to non-vested stock options granted |  |  |  | $ 1,300,000 |  | $ 1,300,000 |  |
Vesting period of stock options and RSU |  |  |  |  |  | 7 months 13 days |  |
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% |  |  |  |  |
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% |  |
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% |  |  |  |  |

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