Intangible Assets - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Selling, General and Administrative Expenses
Finite-Lived Intangible Assets [Line Items]
Amortization expense				$ 1,037,000	$ 286,000	$ 352,000
Lipocine Inc. | License Agreement
Finite-Lived Intangible Assets [Line Items]
Upfront payment paid	$ 11,000,000
Additional milestone payment	10,000,000
Minimum royalty payments	$ 4,500,000
Royalty payment period	3 years
Tiered royalties and additional commercial milestone payments	$ 160,000,000
Purchase obligation			$ 2,002,000	2,002,000
Purchases under license agreement			$ 1,056,000
Amortization expense				$ 315,000
Ferring International Center S.A. and its Affiliates | License Agreement
Finite-Lived Intangible Assets [Line Items]
Upfront payment paid	5,000,000	$ 5,000,000
Tiered royalties and additional commercial milestone payments		$ 17,500,000
Additional upfront payment made at one year from execution	$ 2,500,000