v3.26.1
Net Loss Per Share - Antidilutive Securities (Details)
12 Months Ended
May 31, 2026
shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 1,993,000
Options to purchase common stock  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 9,000
Restricted stock units and awards  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 1,017,000
Warrants for common stock  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 458,000
Convertible Series B Preferred Stock  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 356,000
B. Riley Promissory Note conversion option  
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]  
Antidilutive shares (in shares) 153,000