Note 5 - Common Stock (Details Textual) - USD ($)		12 Months Ended
	Aug. 06, 2020	Dec. 31, 2020	Dec. 31, 2019
Preferred Stock, Shares Authorized (in shares)		10,000,000	10,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares)		65,000,000	65,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.001	$ 0.001
Common Stock, Shares Authorized to Sell (in shares)	550,000
Shares Issued, Price Per Share (in dollars per share)	$ 1
Stock Issued During Period, Shares, New Issues (in shares)	1,300,000	75,000	228,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total		$ 233,000	$ 376,999
Proceeds from Issuance of Common Stock		$ 75,000	$ 228,000
Stock Issued During Period, Shares, Purchase of Assets (in shares)		10,000
Stock Issued During Period, Value, Purchase of Assets		$ 10,000
Stock Issued During Period, Shares, Settle Accounts Payable (in shares)		5,000
Stock Issued During Period, Value, Settle Accounts Payable		$ 5,000
Director [Member]
Stock Issued During Period, Shares Per Month Per Director (in shares)		4,000
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total (in shares)		208,000	192,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total		$ 208,000	$ 192,000
Chief Financial Officer [Member]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total (in shares)		25,000	25,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total		$ 25,000
Consultant for Corporate Finance Representation [Member]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total (in shares)			100,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total			$ 100,000
Consultant to Facilitate Growth Strategies [Member]
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total (in shares)			60,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture, Total			$ 60,000
Series A Convertible Preferred Stock [Member]
Preferred Stock, Shares Authorized (in shares)		2,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.001