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Other development and sales based milestones recognized.

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License Agreements - Additional Information (Details) $ / shares in Units, € in Millions	1 Months Ended	3 Months Ended			12 Months Ended
	Jan. 31, 2020 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) Item shares	Mar. 31, 2025 EUR (€) Item	Mar. 31, 2024 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2012 Item	Dec. 31, 2024 USD ($) shares	Jan. 09, 2020 USD ($) $ / shares
Research And Development Arrangement Contract To Perform For Others [Line Items]
Number of common shares \| shares		49,216,759					48,667,587
Value of common stock		$ 5,000					$ 5,000
Research and development expense recognized		44,785,000		$ 36,830,000
License Agreement \| Antecip
Research And Development Arrangement Contract To Perform For Others [Line Items]
Milestone payments or royalties		2,900,000		1,600,000
Accrued royalty payments		$ 2,900,000		$ 1,600,000
Number of exclusive license agreements \| Item		3	3			3
License agreement royalty as a percent of net sales		3.00%	3.00%	3.00%
License agreement royalty, maximum reduction percent as a result of required third party payments						50.00%
License agreement term, from first commercial sale						10 years
License Agreement \| Antecip \| AXS-05
Research And Development Arrangement Contract To Perform For Others [Line Items]
License agreement royalty as a percent of net sales						3.00%
License Agreement \| Antecip \| Other Two Products \| Minimum
Research And Development Arrangement Contract To Perform For Others [Line Items]
License agreement royalty as a percent of net sales						1.50%
License Agreement \| Antecip \| Other Two Products \| Maximum
Research And Development Arrangement Contract To Perform For Others [Line Items]
License agreement royalty as a percent of net sales						4.50%
Pfizer Inc \| License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Number of common shares \| shares	82,019
Value of common stock	$ 8,000,000
Prior trading days	10 days
Share price \| $ / shares	$ 97.54
Upfront cash payment	$ 3,000,000
Fair value share price \| $ / shares								$ 87.24
Fair value of common stock								$ 7,200,000
Research and development expense recognized					$ 10,200,000
Future milestone payments		$ 323,000,000
Milestone payments or royalties		0		$ 0
Pharmanovia \| License Agreement
Research And Development Arrangement Contract To Perform For Others [Line Items]
Non-refundable upfront payment received		65,700,000	€ 62.0
Eligible to receive sales-based and other milestones \| €			€ 94.5
Royalty revenue		1,100,000		900,000
Other development and sales based milestones recognized		$ 0		$ 0