| 2026-09-14 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2026-08-19 | 10-K | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2026-08-19 | 10-K | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSEAMER |
|---|
| 2026-03-17 | 10-Q | Security registered under Section 12(b) | Series A Preferred Stock
Purchase Rights · NYSEAMER |
|---|
| 2026-03-17 | 10-Q | Stock registered under Section 12(b) | Common Stock $0.001 par
value · OPTT · NYSEAMER |
|---|
| 2025-12-15 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2025-09-15 | 10-Q | Security registered under Section 12(b) | Series A Preferred Stock
Purchase Rights · NYSEAMER |
|---|
| 2025-09-15 | 10-Q | Stock registered under Section 12(b) | Common Stock $0.001 par
value · OPTT · NYSEAMER |
|---|
| 2025-07-24 | 10-K | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2025-07-24 | 10-K | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSEAMER |
|---|
| 2025-03-17 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2024-12-16 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2024-09-16 | 10-Q | Security registered under Section 12(b) | Series A Preferred Stock
Purchase Rights · NYSEAMER |
|---|
| 2024-09-16 | 10-Q | Stock registered under Section 12(b) | Common Stock $0.001 par
value · OPTT · NYSEAMER |
|---|
| 2024-08-28 | 10-K/A | Security registered under Section 12(b) | Series
A Participating Preferred Stock Purchase Rights · NYSE |
|---|
| 2024-08-28 | 10-K/A | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSE |
|---|
| 2024-07-25 | 10-K | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSE |
|---|
| 2024-07-25 | 10-K | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSE |
|---|
| 2024-03-13 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · NYSEAMER |
|---|
| 2023-12-13 | 10-Q | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Right · NYSEAMER |
|---|
| 2023-09-13 | 10-Q | Stock registered under Section 12(b) | Common
Stock $0.001 par value · OPTT · NYSE |
|---|
| 2023-08-28 | 10-K/A | Security registered under Section 12(b) | Series
A Participating Preferred Stock Purchase Rights · n/a · NYSE |
|---|
| 2023-08-28 | 10-K/A | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSE |
|---|
| 2023-07-28 | 10-K | Security registered under Section 12(b) | Series
A Preferred Stock Purchase Rights · n/a · NYSE |
|---|
| 2023-07-28 | 10-K | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSE |
|---|
| 2022-09-12 | 10-Q | Stock registered under Section 12(b) | Common
Stock $0.001 par value · OPTT · NYSE |
|---|
| 2022-07-13 | 10-K | Stock registered under Section 12(b) | Common
Stock, par value $0.001 · OPTT · NYSE |
|---|
| 2022-03-14 | 10-Q | Stock registered under Section 12(b) | Common
Stock $0.001 par value · OPTT · NYSE |
|---|
| 2021-12-14 | 10-Q | Stock registered under Section 12(b) | Common
Stock $0.001 par value · OPTT · NYSE |
|---|
| 2021-09-13 | 10-Q | Stock registered under Section 12(b) | Common
Stock $0.001 par value · OPTT · NYSE |
|---|
| 2012-07-13 | 10-K | Well-known seasoned issuer | Yes |
|---|