v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
May 31, 2026
Dec. 31, 2025
Summary of Significant Accounting Policy [Line Items]            
Measurement adjustments on equity securities $ 0 $ 0 $ 0 $ 0    
Impairment recognized on equity investments 0 0 0 0    
Debt securities, available-for-sale 158,442,000   158,442,000     $ 77,294,000
Royalty monetization liability $ 872,000   $ 872,000     0
Estimated useful life (in years) 3 years   3 years      
Contribution amount to retirement plan $ 55,000 $ 47,000 $ 121,000 $ 121,000    
Related Party            
Summary of Significant Accounting Policy [Line Items]            
Accrued royalties         $ 900,000  
Pension Plan, Matching Scenario One            
Summary of Significant Accounting Policy [Line Items]            
Percentage of company matching contribution to 401(k) retirement plan     100.00%      
Percentage of eligible employees' contribution     3.00%      
Pension Plan, Matching Scenario Two            
Summary of Significant Accounting Policy [Line Items]            
Percentage of company matching contribution to 401(k) retirement plan     50.00%      
Pension Plan, Matching Scenario Two | Minimum            
Summary of Significant Accounting Policy [Line Items]            
Percentage of eligible employees' contribution     3.00%      
Pension Plan, Matching Scenario Two | Maximum            
Summary of Significant Accounting Policy [Line Items]            
Percentage of eligible employees' contribution     5.00%      
Level 2            
Summary of Significant Accounting Policy [Line Items]            
Debt securities, available-for-sale 158,400,000   $ 158,400,000     82,300,000
Level 3            
Summary of Significant Accounting Policy [Line Items]            
Debt securities, available-for-sale 0   0     0
Royalty monetization liability 900,000   900,000     0
Money Market Funds and Short-term Investments | Level 1            
Summary of Significant Accounting Policy [Line Items]            
Fair value assets $ 7,000,000.0   $ 7,000,000.0     $ 7,600,000
Ligand Pharmaceuticals Incorporated            
Summary of Significant Accounting Policy [Line Items]            
Royalty monetization liability, percentage share of royalties and milestones 13.00%   13.00%