Private Placements of Common Stock and Warrants - Liability Classified Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions |
12 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
May 31, 2024 |
May 31, 2023 |
May 03, 2024 |
Dec. 31, 2023 |
Dec. 30, 2023 |
Oct. 23, 2023 |
Sep. 30, 2023 |
Jul. 31, 2023 |
Jun. 30, 2023 |
Feb. 28, 2023 |
Dec. 01, 2022 |
Jun. 30, 2022 |
|
| Liability Classified Warrants | ||||||||||||
| Warrants to purchase common shares, shares | 0.2 | 52.6 | 21.5 | |||||||||
| Class of warrants, exercise price | $ 0.21 | $ 0.21 | $ 0.35 | $ 0.50 | $ 0.306 | $ 0.306 | $ 0.50 | |||||
| Purchase price per unit | $ 0.10 | $ 0.16 | ||||||||||
| Classified as liability | $ 6,970 | $ 16,664 | ||||||||||
| Reclassified as equity | (7,285) | (25,335) | ||||||||||
| Loss on derivative due to change in fair market value | $ 236 | $ 8,750 | ||||||||||
| Minimum | ||||||||||||
| Liability Classified Warrants | ||||||||||||
| Class of warrants, exercise price | $ 0.10 | |||||||||||
| Second Warrant | ||||||||||||
| Liability Classified Warrants | ||||||||||||
| Class of warrants, exercise price | $ 0.10 | |||||||||||
| Second Warrant | Maximum | ||||||||||||
| Liability Classified Warrants | ||||||||||||
| Warrants to purchase common shares, shares | 7.5 | 7.5 | ||||||||||