Note 1 - Basis of Presentation - Basic and Diluted Loss Per Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basic net loss	$ (132,070)	$ (252,667)	$ (237,385)	$ (45,531)
Add back: Gain on change in fair value of derivative liabilities	(10,825)	(21,056)	(49,874)	(470,189)
Diluted net loss	$ (142,895)	$ (273,723)	$ (287,259)	$ (515,720)
Weighted average basic shares outstanding (in shares)	17,910,296	17,616,516	17,881,087	17,457,826
Shares issuable from convertible credit line payable (in shares)	129,328	132,696	129,328	132,696
Dilutive shares (in shares)	18,039,624	17,749,212	18,010,415	17,590,522
Basic (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.01)	$ 0
Diluted (in dollars per share)	$ (0.01)	$ (0.02)	$ (0.02)	$ (0.03)