15. SEGMENT INFORMATION

The following table presents segment information for the periods presented:

Year Ended December 31,

 

2024

    

2023

    

2022

(in thousands)

Total Revenues

$

179,278

$

116,882

$

120,242

Less:

Employee related expenses

69,807

63,429

69,477

Commercial related expenses

26,996

24,310

23,846

Cost of product sales

18,647

7,110

1,749

Consultants and third-party services

15,532

17,942

22,218

Outside clinical trial related expenses

10,978

9,694

29,981

Other segment items

13,126

14,888

28,521

Interest expense, net

5,826

4,600

3,023

Provision for income taxes

881

Segment income (loss)

$

17,485

$

(25,091)

$

(58,573)

There is no reconciling items or adjustments between segment income (loss) presented above and net income (loss) as presented in our statements of operations. The CODM does not review assets in evaluating the segment results and therefore such information is not presented.

For details of revenues disaggregated by category, see “Note 3 – Revenues”.

Employee related expenses primarily comprised salaries, employee benefits, other employee related expenses and stock-based compensation expense. For details of stock-based compensation expense, see “Note 6 – Stock-Based Compensation.”

Other segment items for the periods presented primarily comprised travel related expenses, business insurance, taxes and licenses, and facility related expenses. Other segment items for the year ended December 31, 2022 also include restructuring costs and IPR&D.

About Segments Disclosures

Segment disclosures break a company into its reportable operating units, revealing revenue, profit, and asset allocation that consolidated financial statements obscure. Under ASC 280, segments must match how the chief operating decision maker views the business, providing a window into internal management structure and resource allocation priorities.

Key signals: compare segment margins to identify which units drive profitability and which destroy value. Watch for changes in the number of reportable segments — segment aggregation or disaggregation often coincides with strategic shifts or attempts to obscure declining performance. Intersegment elimination patterns reveal internal pricing practices. The reconciliation between segment totals and consolidated figures exposes corporate overhead allocation and unallocated items. Geographic revenue concentration highlights regulatory and currency exposure. Compare segment-level capital expenditure against segment revenue to assess where management is investing for future growth versus harvesting existing assets.