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STOCK-BASED COMPENSATION - Vallon - 10-K - Restricted Stock Unit Activity (Details) - RSUs
12 Months Ended
Dec. 31, 2022
shares
Shares  
Ending balance, outstanding (in shares) 0
Vallon Pharmaceuticals, Inc.  
Shares  
Beginning balance, outstanding (in shares) 0
Awards granted (in shares) 188,023
Vested and settled (in shares) (9,406)
Expired/forfeited/canceled (in shares) (178,517)
Ending balance, outstanding (in shares) 0