The following table presents the operating results of the Company's segment for the three months ended March 31, 2026 and 2025 (in thousands):


	Three months ended March 31,
	2026		2025
Total revenues	$	36,220	$	20,401
Less significant segment expenses:
Research and development directly identified to programs	2,932		2,361
Research and development not directly identified to programs	1,460		897
Selling, general and administrative directly identified to programs	6,432		7,561
Selling, general and administrative not directly identified to programs	14,351		11,984
Other segment items:
Income tax expense	6,914		1,182
Interest income	(2,184)		(718)
Depreciation and amortization expense	368		1,649
Interest expense	1,711		1,969
Other income, net (a)	(33,654)		(3,385)
Segment net income (loss)	$	37,890	$	(3,099)

(a) Other income, net, included in segment net income (loss) includes cost of product revenue, intangible asset amortization, gain on sale of future royalties, intellectual property, and other assets, net, loss on extinguishment of debt, loss on derivative liability, fair value adjustment related to warrant and contingent value right (“CVR”) liabilities, fair value adjustments related to investments, and other overhead expenses.