Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Dec. 31, 2021
Amortization of Intangible Assets	$ 2,863,000	$ 1,882,000	$ 5,725,000	$ 2,815,000
Finite-Lived Intangible Assets, Net, Ending Balance	67,977,000		67,977,000
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	27,644,000		27,644,000		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	13,008,000		13,008,000		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	26,064,000		26,064,000		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	$ 1,261,000		$ 1,261,000		$ 1,300,000	$ 1,548,000