v3.26.1
SEGMENT REPORTING (Tables)
 6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Schedule of Reconciliation of Reported Revenues to Net (Loss) Income Under Significant Expense Principle The following table reconciles reported revenues to net (loss) income under the significant expense principle for the three and six months ended June 30, 2026 and 2025:
Three Months Ended June 30,Six Months Ended June 30,
(in millions)
2026202520262025
Revenues:
Product revenue, net$57.4 $49.0 $109.2 $88.4 
Royalties0.1 — 0.1 0.2 
Total revenues$57.5 $49.0 $109.3 $88.6 
Costs and operating expenses:
   Cost of goods sold9.2 1.2 10.9 2.4 
   Research and development
    Research and clinical expenses11.1 19.8 24.1 33.5 
    Chemistry, manufacturing, and control expenses9.5 1.9 10.1 3.3 
    Restructuring charges(0.1)— (0.3)— 
   Selling, general and administrative
    Commercial expenses21.6 18.8 38.636.5
    Restructuring charges(0.1)— (0.3)— 
   Other segment expenses*18.8 19.8 38.6 42.1 
Total interest and other income (expense)(4.2)(3.9)(7.9)(7.1)
Net loss$(16.7)$(16.4)$(20.3)$(36.2)
    
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*Other segment expenses includes stock-based compensation expense and other general and administrative expenses largely resulting from personnel costs for individuals in administrative functions and legal and professional fees.