Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Preferred Stock, Shares Authorized		5,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.25	$ 0.25
Preferred Stock, Shares Issued	157,776	157,816
Preferred Stock, Shares Outstanding		157,816
Preferred Stock, Liquidation Preference, Value		$ 7,891
Restricted stock unit distributions, shares (in shares)	2,192,795	1,653,000
Common Stock, Par or Stated Value Per Share	$ 0.25	$ 0.25
Common Stock, Shares Authorized	750,000,000	750,000,000
Common stock, shares issued (in shares)	607,619,495	545,534,760
Treasury Stock, Shares	8,132,553	7,395,295
Common stock issued upon conversion of series B preffered stock	128
Conversion of Stock, Shares Converted	40
Series B Preferred Stock [Member]
Preferred Stock, Shares Outstanding	157,776	157,816
Preferred Stock, Liquidation Preference, Value	$ 7,900