| 2026-08-06 | 10-Q | Shares outstanding CommonClassA as of 2026-08-01 | 19,233,658 |
|---|
| 2026-08-06 | 10-Q | Shares outstanding CommonClassB as of 2026-08-01 | 719,200 |
|---|
| 2026-05-06 | 10-Q | Shares outstanding CommonClassA as of 2026-05-01 | 18,953,594 |
|---|
| 2026-05-06 | 10-Q | Shares outstanding CommonClassB as of 2026-05-01 | 719,200 |
|---|
| 2026-02-11 | 10-K | Shares outstanding CommonClassA as of 2026-02-02 | 18,945,365 |
|---|
| 2026-02-11 | 10-K | Shares outstanding CommonClassB as of 2026-02-02 | 719,200 |
|---|
| 2025-11-06 | 10-Q | Shares outstanding CommonClassA as of 2025-11-01 | 17,492,832 |
|---|
| 2025-11-06 | 10-Q | Shares outstanding CommonClassB as of 2025-11-01 | 719,200 |
|---|
| 2025-11-06 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2025-08-06 | 10-Q | Shares outstanding CommonClassA as of 2025-08-01 | 17,488,642 |
|---|
| 2025-08-06 | 10-Q | Shares outstanding CommonClassB as of 2025-08-01 | 719,200 |
|---|
| 2025-08-06 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2025-05-08 | 10-Q | Shares outstanding CommonClassA as of 2025-05-01 | 16,318,066 |
|---|
| 2025-05-08 | 10-Q | Shares outstanding CommonClassB as of 2025-05-01 | 719,200 |
|---|
| 2025-05-08 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2025-02-07 | 10-K | Shares outstanding CommonClassA as of 2025-01-31 | 16,045,916 |
|---|
| 2025-02-07 | 10-K | Shares outstanding CommonClassB as of 2025-01-31 | 719,200 |
|---|
| 2025-02-07 | 10-K | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2025-02-07 | 10-K | Well-known seasoned issuer | No |
|---|
| 2024-10-29 | 10-Q | Shares outstanding CommonClassA as of 2024-10-25 | 15,677,224 |
|---|
| 2024-10-29 | 10-Q | Shares outstanding CommonClassB as of 2024-10-25 | 719,200 |
|---|
| 2024-10-29 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2024-08-07 | 10-Q | Shares outstanding CommonClassA as of 2024-08-01 | 15,560,744 |
|---|
| 2024-08-07 | 10-Q | Shares outstanding CommonClassB as of 2024-08-01 | 719,200 |
|---|
| 2024-08-07 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2024-05-08 | 10-Q | Shares outstanding CommonClassA as of 2024-05-01 | 15,277,780 |
|---|
| 2024-05-08 | 10-Q | Shares outstanding CommonClassB as of 2024-05-01 | 719,200 |
|---|
| 2024-05-08 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2024-02-09 | 10-K | Shares outstanding CommonClassA as of 2024-02-01 | 14,956,434 |
|---|
| 2024-02-09 | 10-K | Shares outstanding CommonClassB as of 2024-02-01 | 719,200 |
|---|
| 2024-02-09 | 10-K | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2024-02-09 | 10-K | Well-known seasoned issuer | No |
|---|
| 2023-11-08 | 10-Q | Shares outstanding CommonClassA as of 2023-11-01 | 14,807,255 |
|---|
| 2023-11-08 | 10-Q | Shares outstanding CommonClassB as of 2023-11-01 | 719,200 |
|---|
| 2023-11-08 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2023-08-04 | 10-Q | Shares outstanding CommonClassA as of 2023-08-01 | 14,806,438 |
|---|
| 2023-08-04 | 10-Q | Shares outstanding CommonClassB as of 2023-08-01 | 719,200 |
|---|
| 2023-08-04 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2023-05-09 | 10-Q | Shares outstanding CommonClassA as of 2023-05-01 | 14,761,818 |
|---|
| 2023-05-09 | 10-Q | Shares outstanding CommonClassB as of 2023-05-01 | 719,200 |
|---|
| 2023-05-09 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2023-02-22 | 10-K | Shares outstanding CommonClassA as of 2023-02-07 | 13,919,646 |
|---|
| 2023-02-22 | 10-K | Shares outstanding CommonClassB as of 2023-02-07 | 719,200 |
|---|
| 2023-02-22 | 10-K | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2023-02-22 | 10-K | Well-known seasoned issuer | No |
|---|
| 2022-11-09 | 10-Q | Shares outstanding CommonClassA as of 2022-11-01 | 13,820,556 |
|---|
| 2022-11-09 | 10-Q | Shares outstanding CommonClassB as of 2022-11-01 | 719,200 |
|---|
| 2022-11-09 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2022-08-05 | 10-Q | Shares outstanding CommonClassA as of 2022-08-01 | 13,769,384 |
|---|
| 2022-08-05 | 10-Q | Shares outstanding CommonClassB as of 2022-08-01 | 719,200 |
|---|
| 2022-08-05 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2022-05-06 | 10-Q | Shares outstanding CommonClassA as of 2022-05-01 | 13,769,384 |
|---|
| 2022-05-06 | 10-Q | Shares outstanding CommonClassB as of 2022-05-01 | 719,200 |
|---|
| 2022-05-06 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2022-03-11 | 10-K | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2022-03-11 | 10-K | Smaller reporting company | Yes |
|---|
| 2022-03-11 | 10-K | Well-known seasoned issuer | No |
|---|
| 2021-11-12 | 10-Q | Shares outstanding CommonClassA as of 2021-11-01 | 13,298,103 |
|---|
| 2021-11-12 | 10-Q | Shares outstanding CommonClassB as of 2021-11-01 | 719,200 |
|---|
| 2021-11-12 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2021-11-12 | 10-Q | Smaller reporting company | Yes |
|---|
| 2021-08-13 | 10-Q | Shares outstanding CommonClassA as of 2021-08-01 | 13,262,103 |
|---|
| 2021-08-13 | 10-Q | Shares outstanding CommonClassB as of 2021-08-01 | 719,200 |
|---|
| 2021-08-13 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2021-08-13 | 10-Q | Smaller reporting company | Yes |
|---|
| 2021-05-12 | 10-Q | Shares outstanding CommonClassA as of 2021-05-01 | 13,133,035 |
|---|
| 2021-05-12 | 10-Q | Shares outstanding CommonClassB as of 2021-05-01 | 719,200 |
|---|
| 2021-05-12 | 10-Q | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2021-05-12 | 10-Q | Smaller reporting company | Yes |
|---|
| 2021-03-22 | 10-K | Stock registered under Section 12(b) | Class A Common Stock, par value $0.10 per share · LEU · NYSEAMER |
|---|
| 2021-03-22 | 10-K | Smaller reporting company | Yes |
|---|
| 2021-03-22 | 10-K | Well-known seasoned issuer | No |
|---|
| 2020-11-13 | 10-Q | Smaller reporting company | Yes |
|---|
| 2020-08-06 | 10-Q | Smaller reporting company | Yes |
|---|
| 2020-05-12 | 10-Q | Smaller reporting company | Yes |
|---|
| 2020-03-27 | 10-K | Smaller reporting company | Yes |
|---|
| 2020-03-27 | 10-K | Well-known seasoned issuer | No |
|---|
| 2019-11-08 | 10-Q | Smaller reporting company | Yes |
|---|
| 2019-08-12 | 10-Q | Smaller reporting company | Yes |
|---|
| 2019-05-09 | 10-Q | Smaller reporting company | Yes |
|---|
| 2019-04-01 | 10-K | Smaller reporting company | Yes |
|---|
| 2019-04-01 | 10-K | Well-known seasoned issuer | No |
|---|
| 2018-03-15 | 10-K | Well-known seasoned issuer | No |
|---|
| 2017-03-31 | 10-K | Well-known seasoned issuer | No |
|---|
| 2016-03-23 | 10-K | Well-known seasoned issuer | No |
|---|
| 2015-05-07 | 10-Q | Well-known seasoned issuer | No |
|---|
| 2015-03-16 | 10-K | Well-known seasoned issuer | No |
|---|
| 2014-03-31 | 10-K | Well-known seasoned issuer | No |
|---|
| 2013-03-18 | 10-K | Well-known seasoned issuer | No |
|---|
| 2012-03-14 | 10-K | Well-known seasoned issuer | No |
|---|
| 2011-05-04 | 10-Q | Well-known seasoned issuer | No |
|---|
| 2011-02-24 | 10-K | Well-known seasoned issuer | No |
|---|
| 2010-11-03 | 10-Q | Well-known seasoned issuer | No |
|---|
| 2010-08-05 | 10-Q/A | Well-known seasoned issuer | No |
|---|