Note 17 - Variable Interest Entity (Details Textual)	1 Months Ended	12 Months Ended
	Dec. 31, 2010 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Mar. 01, 2014
Number of Variable Interest Entities		1
Number of Patient Beds in Facility	120
Lessee Leasing Arrangements, Operating Leases, Term of Contract	10 years	10 years
Number of Additional Lease Options	5			2
Lessee Leasing Arrangements, Operating Leases, Renewal Term	5 years
Notes, Loans and Financing Receivable, Gross, Current	$ 4,500,000
Increase (Decrease) in Notes Payable, Current		$ 4,500,000	$ 4,500,000
Land and Land Improvements		$ 4,500,000