Note 12 - Summary of Reconciliation of Basic and Diluted Earnings Per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share Basic [Line Items]
NET (LOSS) INCOME	$ (3)	$ 6
Preferred stock cash dividends	(1)	(1)
Preferred stock in-kind dividends	(1)	(1)
Preferred stock deemed dividends	(1)	(2)
Net (loss) income available to common shareholders - basic and diluted	$ (6)	$ 13
Basic	78.7	77.8
Effect of dilutive securities
Weighted average shares — diluted	78.7	80.6
Employee Stock Option [Member]
Effect of dilutive securities
Effect of dilutive securities		2.3
Unvested Restricted Stock Units [Member]
Effect of dilutive securities
Effect of dilutive securities		0.5
Series A Preferred Stock [Member]
Earnings Per Share Basic [Line Items]
Plus: Expiration of Series A preferred stock embedded derivative		$ 11