Intangible Assets and Goodwill, Components of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Components of Intangible Assets [Abstract]
Gross carrying value	$ 24,222	$ 24,222
Accumulated amortization	(18,874)	(16,903)
Net book value	5,348	7,319
Amortization expense of intangible assets	2,000	2,700
Reduction in contingent consideration adjusted to carrying value of technology intangible asset	0
TheraClear Corporation [Member]
Components of Intangible Assets [Abstract]
Fair value of contingent consideration		1,200
Reduction in contingent consideration adjusted to carrying value of technology intangible asset		(7,400)
Core Technology [Member]
Components of Intangible Assets [Abstract]
Gross carrying value	5,700	5,700
Accumulated amortization	(5,415)	(4,845)
Net book value	285	855
Product Technology [Member]
Components of Intangible Assets [Abstract]
Gross carrying value	4,808	4,808
Accumulated amortization	(3,984)	(3,866)
Net book value	824	942
Customer Relationships [Member]
Components of Intangible Assets [Abstract]
Gross carrying value	6,900	6,900
Accumulated amortization	(6,555)	(5,865)
Net book value	345	1,035
Tradenames [Member]
Components of Intangible Assets [Abstract]
Gross carrying value	1,500	1,500
Accumulated amortization	(1,425)	(1,275)
Net book value	75	225
Pharos Customer Lists [Member]
Components of Intangible Assets [Abstract]
Gross carrying value	5,314	5,314
Accumulated amortization	(1,495)	(1,052)
Net book value	$ 3,819	$ 4,262