Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

4. Intangible Assets

Intangible assets consisted of the following (in thousands):

	Years Ended December 31,
	2021			2020
Trademarks	$	50		$	50
Less: accumulated amortization		(19	)		(14	)
	$	31		$	36

Amortization expense for 2021 was approximately $5.0 thousand. Amortization expense for 2020 was approximately $5.0 thousand.