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NATURE OF OPERATIONS AND LIQUIDITY - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Oct. 23, 2025
Jan. 19, 2021
Jan. 31, 2021
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Nature Of Operations And Liquidity [Line Items]            
Accumulated deficit       $ 814,204,124   $ 688,799,740
Net cash used in operating activities       5,427,064 $ 4,071,960  
Cash, cash equivalents, restricted cash and marketable securities       $ 78,200,000    
Preferred stock, shares issued       0   0
Series A Convertible Preferred Stock | Private Placement            
Nature Of Operations And Liquidity [Line Items]            
Proceeds from exchange of preferred stock $ 80,000,000          
Preferred stock, shares issued 80,000          
Tranche A Warrants | Private Placement            
Nature Of Operations And Liquidity [Line Items]            
Warrants exercised 80,000          
Tranche B Warrants | Private Placement            
Nature Of Operations And Liquidity [Line Items]            
Potential proceeds from excersie of warrants $ 40,000,000          
Warrants exercised 40,000          
Maximum | Private Placement            
Nature Of Operations And Liquidity [Line Items]            
Gross proceeds before deducting placement agent fees and other expenses $ 200,000,000          
Seltorexant            
Nature Of Operations And Liquidity [Line Items]            
Additional milestone payments     $ 80,000,000      
Potential Future Milestone Payments     80,000,000      
Seltorexant | Royalty Pharma            
Nature Of Operations And Liquidity [Line Items]            
Up front payment   $ 60,000,000 60,000,000      
Additional milestone payments     95,000,000      
Potential Future Milestone Payments     $ 95,000,000