Note 2 - Acquisition - Pro Forma Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Advant Medical [Member]
Sales	$ 56,194		$ 266,782	$ 166,273
Operating Income	5,440		45,268	18,187
Net Income	$ 4,018		$ 33,881	$ 13,796
Basic (in dollars per share)	$ 0.53		$ 4.48	$ 1.83
Diluted (in dollars per share)	$ 0.53		$ 4.44	$ 1.82
Contech Medical, Inc and DAS Medical [Member]
Sales		$ 69,055		$ 201,660
Operating Income		7,627		23,030
Net Income		$ 5,707		$ 18,526
Basic (in dollars per share)		$ 0.76		$ 2.46
Diluted (in dollars per share)		$ 0.75		$ 2.44