Quarterly report pursuant to Section 13 or 15(d)

Equity Awards and Warrants - Expense and unrecognized (Details)

v3.23.3
Equity Awards and Warrants - Expense and unrecognized (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended
Aug. 31, 2023
Aug. 31, 2022
Jul. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Compensation expense $ 503 $ 1,341  
Common stock warrants to purchase shares 14.7   14.7
General and Administrative Expenses      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock based compensation $ 500 $ 1,300