Note 18 - Summary of Reconciliation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share Basic [Line Items]
(Loss) income from continuing operations	$ (10)			$ 20			$ (28)	$ (2)
Less: Series A convertible preferred stock cash dividend	(2)	$ (3)	$ (3)	(2)	$ (3)	$ (3)	(8)	(8)
Less: Series A convertible preferred stock deemed dividend	(3)	$ (2)	$ (2)	(3)	$ (2)	$ (2)	(7)	(7)
(Loss) income from continuing operations available to common shareholders - basic and diluted	(15)			15			(43)	(17)
Net (loss) income	(5)			19			178	(2)
Net (loss) income available to common shareholders - basic and diluted	$ (10)			$ 14			$ 163	$ (17)
Weighted average shares - basic	43.0			42.7			43.0	42.7
Effect of dilutive securities
Weighted average shares - diluted EPS calculation	43.0			43.0			43.0	42.7
Restricted Stock Units [Member]
Effect of dilutive securities
Unvested restricted stock units				0.3