Note 7 - Preferred Stock (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2017
Preferred Stock, Shares Authorized	10,000,000	10,000,000
Preferred Stock, Shares Outstanding	0	0
Preferred Stock, Amount of Preferred Dividends in Arrears	$ 34,279