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Description of Business (Details)			1 Months Ended			3 Months Ended		12 Months Ended
	Mar. 25, 2021 shares	Jan. 04, 2021 USD ($)	Apr. 30, 2021 USD ($) $ / shares shares	Mar. 31, 2021 shares	Jan. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Aug. 31, 2021 USD ($) shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Mar. 23, 2021 USD ($)	Jul. 06, 2020 USD ($)
Subsidiary, Sale of Stock [Line Items]
Cash and cash equivalents										$ 146,256,000	$ 102,562,000
Accumulated deficit										422,882,000	376,072,000
Payments for legal settlements											$ 48,421,000
Settlement payment from daewoong			$ 25,500,000							25,500,000
Public Stock Offering
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares) | shares			10,350,000
Offering price per share (in dollar per share) | $ / shares			$ 9.50
Aggregate net proceeds from stock offering			$ 92,426,000
Underwriters Option
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares) | shares			1,350,000
A T M Sales Agreement
Subsidiary, Sale of Stock [Line Items]
Number of shares issued in transaction (in shares) | shares							934,367
Aggregate net proceeds from stock offering							$ 10,910,000
Intellectual Property Disputes, Jeuveau
Subsidiary, Sale of Stock [Line Items]
Payments for legal settlements						$ 15,000,000				15,000,000
Intellectual Property Disputes, Jeuveau | Forecast
Subsidiary, Sale of Stock [Line Items]
Payments for legal settlements								$ 5,000,000	$ 15,000,000
Pharmakon Term Loans | Term Loan
Subsidiary, Sale of Stock [Line Items]
Debt instrument, face amount										125,000,000
Tranche A Loan | Term Loan
Subsidiary, Sale of Stock [Line Items]
Debt instrument, face amount										75,000,000
Proceeds from issuance of secured debt										68,695,000
Tranche B Loan | Term Loan
Subsidiary, Sale of Stock [Line Items]
Debt instrument, face amount										$ 50,000,000
Oxford Term Loan Facility
Subsidiary, Sale of Stock [Line Items]
Repayments of long-term lines of credit		$ 76,447,000			$ 76,447,000
Daewoong Convertible Note | Convertible Debt
Subsidiary, Sale of Stock [Line Items]
Debt instrument, face amount													$ 40,000,000
Convertible debt												$ 40,779,000
Daewoong Convertible Note | Convertible Debt | Common Stock
Subsidiary, Sale of Stock [Line Items]
Conversion of common shares (in shares) | shares	3,136,869			3,136,869

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