Quarterly report pursuant to Section 13 or 15(d)

Equity Awards and Warrants - Warrants Activity (Details)

v3.23.3
Equity Awards and Warrants - Warrants Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Aug. 31, 2023
May 31, 2023
Equity Awards and Warrants    
Warrants outstanding beginning of period 259,910  
Granted   3,009
Exercised   (3,000)
Forfeited, expired, and cancelled   (3,133)
Warrants outstanding at end of period 256,786 259,910
Warrants outstanding and exercisable   256,786
Outstanding at the beginning of the year (in dollars per share) $ 0.37  
Granted   $ 0.44
Exercised   0.10
Forfeited, expired, and cancelled   0.75
Outstanding at the end of the year (in dollars per share)   0.37
Warrants outstanding and exercisable   $ 0.37
Weighted average remaining contractual life in years 4 years 4 months 17 days 4 years 6 months 25 days
Weighted average remaining contractual life in years exercisable 4 years 4 months 17 days  
Aggregate intrinsic value outstanding of beginning $ 7,276  
Aggregate intrinsic value outstanding of end period 2,860 $ 7,276
Aggregate intrinsic value exercisable $ 2,860