Condensed Consolidated Balance Sheets (Current Period Unaudited)-parentheticals (Parentheticals) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss, Current	$ 4,789	$ 4,789
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)	2,497,500	2,497,500
Preferred Stock, Shares Outstanding, Ending Balance	0	0
Preferred Stock, Shares Issued (in shares)	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	200,000,000	200,000,000
Common Stock, Shares, Issued	68,104,957	68,104,957
Common Stock, Shares, Outstanding, Ending Balance (in shares)	68,104,957	68,104,957
Series C Convertible Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)	1,500	1,500
Preferred Stock, Shares Outstanding, Ending Balance	11.469249	11.500000
Preferred Stock, Shares Issued (in shares)	11.500000	11.500000
Preferred Stock, Liquidation Preference, Value	$ 114,692	$ 114,692
Series D Convertible Preferred Stock [Member]
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized (in shares)	2,500,000	2,500,000
Preferred Stock, Shares Outstanding, Ending Balance	907,144	907,144
Preferred Stock, Shares Issued (in shares)	907,144	907,144
Preferred Stock, Liquidation Preference, Value	$ 907,144	$ 907,144