Note 27 - Segment Information (Details Textual) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) a Segment	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Segments | Segment	6
Increase (Reduction) in reserves impacted	$ 3	$ (5)
Revenue percentage	10.00%
Gross Profit [Member]
Segment Reporting Information [Line Items]
Increase (Reduction) in reserves impacted	$ 2	(3)
SG&A [Member]
Segment Reporting Information [Line Items]
Increase (Reduction) in reserves impacted	$ 1	$ (2)
Eastman Business Park [Member] | Minimum [Member]
Segment Reporting Information [Line Items]
Area of Real Estate Property | a	1,200