Note 1 - Summary of Significant Accounting Policies - Goodwill Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Balance	$ 17,600	$ 17,600	$ 17,600
Additions	3,395
Balance	20,995	17,600	17,600
Inpatient Services Segment [Member]
Balance
Additions	3,395
Balance	3,395
Homecare Services Segment [Member]
Balance	17,600	17,600	17,600
Additions
Balance	17,600	17,600	17,600
Other Segments [Member]
Balance
Additions
Balance