Note 1 - Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2019
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		$ 6,550
Finite-Lived Intangible Assets, Amortization Expense, Year Two		6,543
Finite-Lived Intangible Assets, Amortization Expense, Year Three		6,542
Finite-Lived Intangible Assets, Amortization Expense, Year Four		5,805
CooperSurgical Inc
Finite-lived Intangible Assets Acquired	$ 21,000	21,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months		4,421
Finite-Lived Intangible Assets, Amortization Expense, Year Two		4,421
Finite-Lived Intangible Assets, Amortization Expense, Year Three		4,421
Finite-Lived Intangible Assets, Amortization Expense, Year Four		$ 3,684