Consolidated Statements of Shareholders' Deficit (Parentheticals) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Series B Preferred Stock Dividends [Member]
Dividends, per share (in dollars per share)		$ 0.11
Series A Preferred Stock Dividends [Member]
Dividends, per share (in dollars per share)	$ 249.92	25.01
Series A-1 Preferred Stock Dividends [Member]
Dividends, per share (in dollars per share)	228.18	25.01
Series C Preferred Stock Dividends [Member]
Dividends, per share (in dollars per share)		250.00
Series D Preferred Stock Dividends [Member]
Dividends, per share (in dollars per share)	$ 342.16	$ 45.70