Intangibles (Tables)

12 Months Ended

Dec. 31, 2021

Intangibles [Abstract]

Schedule of intangible assets

(in thousands)	Patent Rights			Customer Relationships			Trade Names			Total
December 31, 2019	$	337		$	—		$	—		$	337
Acquired assets		—			87			22			109
Amortization expense		(96	)		(3	)		(9	)		(108	)
December 31, 2020	$	241		$	84		$	13		$	338
Impaired assets		—			(81	)		(7	)		(88	)
Amortization expense		(96	)		(2	)		(6	)		(104	)
December 31, 2021	$	145		$	1		$	-		$	146

Schedule of estimated amortization expense

For the Year Ending December 31, (in thousands)
2022	$	97
2023		48
2024		1