The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Amortization of Intangible Assets	$ 2,513,000		$ 2,525,000	$ 8,236,000	$ 5,340,000
Finite-Lived Intangible Assets, Net, Ending Balance	65,466,000			65,466,000
Abandoned In Process Research and Development [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		$ 8,000,000.0
In Process Research and Development Not Related to Abandonment [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		50,900,000
Finite-Lived Intangible Assets, Net, Ending Balance						$ 59,400,000
Technology-Based Intangible Assets [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		3,500,000
Finite-Lived Intangible Assets, Net, Ending Balance	26,347,000			26,347,000		31,200,000	$ 34,153,000
Customer Relationships [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		1,500,000
Finite-Lived Intangible Assets, Net, Ending Balance	12,445,000			12,445,000		14,500,000	15,740,000
Trade Names [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		5,900,000
Finite-Lived Intangible Assets, Net, Ending Balance	25,544,000			25,544,000		32,000,000.0	33,268,000
Noncompete Agreements [Member]
Impairment of Intangible Assets (Excluding Goodwill), Total		$ 4,000
Finite-Lived Intangible Assets, Net, Ending Balance	$ 1,130,000			$ 1,130,000		$ 1,300,000	$ 1,548,000