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Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
May 16, 2024 $ / shares shares | Aug. 31, 2023 USD ($) shares | May 31, 2024 USD ($) shares | Aug. 29, 2024 USD ($) shares | May 31, 2024 USD ($) shares | May 31, 2023 USD ($) | Apr. 26, 2024 $ / shares shares | Oct. 09, 2021 plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of equity incentive plans | plan |  |  |  |  |  |  |  | 2
Issuance of common stock |  |  |  |  | $ 130,849 | $ 0 |  |
Common stock issuance costs |  |  |  |  | 284 | 0 |  |
Extinguishment of noncontrolling interest (in shares) | shares |  | 1,500,000 |  |  |  |  |  |
Fair value of warrants |  |  | $ 5,700 |  | 5,700 |  |  |
Loss on fair value of warrants issued to related parties |  |  |  |  | $ 5,700 |  |  |
Series E Preferred Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.001 |  |  |  |  |  |  |
Series E Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares sold in transaction (in shares) | shares |  |  |  | 301,673 |  |  |  |
Common stock issuance costs |  |  |  | $ 600 |  |  |  |
AI Bridge Warrants |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Warrants issued to purchase of common stock (in shares) | shares |  |  |  |  |  |  | 3,000,000 |
Cashless exercise period |  |  |  |  |  |  | 5 years |
AI Bridge Warrants One |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Warrants issued to purchase of common stock (in shares) | shares |  |  |  |  |  |  | 1,500,000 |
Warrants, exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 10.00 |
AI Bridge Warrants One | Level 3 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Warrants, exercise price, fair value (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 1.96 |
AI Bridge Warrants Two |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Warrants issued to purchase of common stock (in shares) | shares |  |  |  |  |  |  | 1,500,000 |
Warrants, exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 7.50 |
AI Bridge Warrants Two | Level 3 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Warrants, exercise price, fair value (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 1.84 |
Stockholders’ Equity |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Extinguishment of noncontrolling interest |  | $ (9,800) |  |  |  |  |  |
Public Offering | Series E Preferred Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares sold in transaction (in shares) | shares | 2,000,000 |  |  |  | 0 |  |  |
Public offering price per share (in dollars per share) | $ / shares | $ 25.00 |  |  |  |  |  |  |
Dealer fee percent | 2.00% |  |  |  |  |  |  |
Commission fee percent | 6.00% |  |  |  |  |  |  |
Public Offering | Series E Preferred Stock | Subsequent Event |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares sold in transaction (in shares) | shares |  |  |  | 301,673 |  |  |  |
Issuance of common stock |  |  |  | $ 6,900 |  |  |  |
Craig-Hallum Capital Group LLC | At The Market Offering |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Gross proceeds from sale |  |  |  |  | $ 125,000 |  |  |
Number of shares sold in transaction (in shares) | shares |  |  |  |  | 18,900,000 |  |  |
Issuance of common stock |  |  |  |  | $ 121,200 |  |  |
Legal fees |  |  |  |  | $ 4,000 |  |  |
Roth Capital Partners LLC | At The Market Offering |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Gross proceeds from sale |  |  | $ 25,000 |  |  |  |  |
Number of shares sold in transaction (in shares) | shares |  |  |  |  | 2,700,000 |  |  |
Issuance of common stock |  |  |  |  | $ 9,600 |  |  |
Common stock issuance costs |  |  |  |  | 300 |  |  |
Legal fees |  |  |  |  | $ 300 |  |  |
Restricted Stock Units (RSUs) And Restricted Stock Awards (RSAs) |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Grants to date (in shares) | shares |  |  | 16,100,000 |  | 16,100,000 |  |  |
Stock-based compensation recognized |  |  |  |  | $ 17,300 | $ 32,100 |  |
Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Unrecognized stock compensation expense |  |  | $ 2,100 |  | $ 2,100 |  |  |
Unrecognized stock compensation expense, period for recognition |  |  |  |  | 2 years 1 month 6 days |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Unrecognized stock compensation expense |  |  | $ 26,400 |  | $ 26,400 |  |  |
Unrecognized stock compensation expense, period for recognition |  |  |  |  | 1 year 9 months 18 days |  |  |

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