Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2022

Intangible Assets

Schedule of Intangible Assets

The Company’s intangible assets consist of the following (in thousands):

		Gross
	Estimated	Carrying		Accumulated				Net Book
	Useful Lives	Value		Amortization		Impairment		Value
December 31, 2022:
IPR&D assets	Indefinite	$	12,419	$	—	$	—	$	12,419
Total		$	12,419	$	—	$	—	$	12,419
December 31, 2021:
Internally developed patents	6–20 years	$	1,079	$	(500)	$	(579)	$	—
Acquired licenses	16–20 years		285		(285)		—		—
Total intangible assets subject to amortization			1,364		(785)		(579)		—
IPR&D assets	Indefinite		12,419		—		—		12,419
Total		$	13,783	$	(785)	$	(579)	$	12,419