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STOCKHOLDERS' EQUITY (DEFICIT) (Tables)
12 Months Ended
May 31, 2023
Equity [Abstract]  
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity
The following is a summary of the activity and balances for unvested restricted stock awards granted for the fiscal year ended May 31, 2023:


Number of SharesWeighted Average Grant Date Fair Value Per Share
Outstanding as of May 31, 20221,366,666 $8.04 
Granted551,605 $2.19 
Vested(1,537,316)$7.38 
Forfeited— $— 
Outstanding as of May 31, 2023380,955 $2.22 
The following is a summary of the activity and balances for unvested restricted stock units granted for the fiscal year ended May 31, 2023:

Number of SharesWeighted Average Grant Date Fair Value Per Share
Outstanding as of May 31, 20221,791,666 $8.04 
Granted12,391,207 $2.28 
Vested(1,180,525)$6.41 
Forfeited(536,413)$6.71 
Outstanding as of May 31, 202312,465,935 $2.53