v3.26.1
Revenue Recognition - Additional Information (Detail) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation Of Revenue [Line Items]        
Payment period from distributors received from date of sale     45 days  
Net loss per share-basic $ (0.02) $ (0.03) $ (0.04) $ (0.07)
Net loss per share-diluted $ (0.02) $ (0.03) $ (0.04) $ (0.07)
Effect of significant financing component when transfer and customer payment of good or service occurs within one year or less     true  
VASCEPA 1-Gram        
Disaggregation Of Revenue [Line Items]        
Product expiration date after being converted into capsule form     4 years  
VASCEPA 0.5-Gram        
Disaggregation Of Revenue [Line Items]        
Product expiration date after being converted into capsule form     3 years  
Minimum        
Disaggregation Of Revenue [Line Items]        
Sales discount percentage 2.00%   2.00%  
Maximum        
Disaggregation Of Revenue [Line Items]        
Sales discount percentage 3.00%   3.00%