Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets are as follows:

		December 31, 2021						December 31, 2020
	Useful Life (in Years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization		Net Book Value
TLANDO® product rights	10	$	11,315	$	—	$	11,315	$	—	$	—	$	—
NOCDURNA® product rights	10	7,500		(937)		6,563		7,500		(188)		7,312
Patents 1	5 - 10	1,048		(1,047)		1		3,995		(3,614)		381
Total intangibles, net		$	19,863	$	(1,984)	$	17,879	$	11,495	$	(3,802)	$	7,693

1    Patents related to OTREXUP® were sold as part of the Asset Purchase Agreement entered into with Otter in December 2021. See Note 12 for further discussion regarding the sale of assets.

Schedule of Estimated Future Aggregate Amortization Expense

Estimated future aggregate amortization expense is as follows:

	Estimated Amortization Expense
2022	$	1,600
2023	1,882
2024	1,882
2025	1,882
2026	1,882
Thereafter	8,751
Total future amortization expense	$	17,879