Revenue - Additional Information (Details)	1 Months Ended		12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 EUR (€)
Disaggregation Of Revenue [Line Items]
Sales			$ 86,951,000		$ 64,872,000	$ 49,647,000
BIJUVA [Member]
Disaggregation Of Revenue [Line Items]
Sales			10,579,000		6,354,000	1,836,000
IMVEXXY [Member]
Disaggregation Of Revenue [Line Items]
Sales			31,533,000		27,139,000	16,252,000
Knight License Agreement [Member]
Disaggregation Of Revenue [Line Items]
Milestone fees paid upon first regulatory approval					$ 2,000,000.0
Knight License Agreement [Member] | BIJUVA [Member]
Disaggregation Of Revenue [Line Items]
Sales			0
Knight License Agreement [Member] | IMVEXXY [Member]
Disaggregation Of Revenue [Line Items]
Sales			$ 0
Theramex License Agreement [Member]
Disaggregation Of Revenue [Line Items]
Upfront fee paid						$ 15,500,000	€ 14,000,000
Percentage of quarterly royalty payments received			5.00%	5.00%
Theramex License Agreement [Member] | Maximum [Member]
Disaggregation Of Revenue [Line Items]
Additional milestone payments received in sales milestone payments | €				€ 27,500,000
Milestone payments to be paid in escalating tranches | €				100,000,000
Theramex License Agreement [Member] | Minimum [Member]
Disaggregation Of Revenue [Line Items]
Milestone payments to be paid in escalating tranches | €				25,000,000
Theramex License Agreement [Member] | IMVEXXY [Member]
Disaggregation Of Revenue [Line Items]
Additional milestone payments received	$ 600,000	€ 500,000
Theramex License Agreement [Member] | BIJUVA [Member]
Disaggregation Of Revenue [Line Items]
Sales			$ 1,400,000
Additional milestone payments received			1,200,000	€ 1,000,000.0
Theramex License Agreement [Member] | IMVEXXY [Member]
Disaggregation Of Revenue [Line Items]
Sales			$ 0