Note 13 - Restatement to Previously Issued Condensed Consolidated Financial Statements (Details Textual) - USD ($)	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2017	Jun. 30, 2018	Sep. 30, 2018	Sep. 30, 2017
Preferred Stock, Deemed Dividend		$ 11,479,308		$ 11,479,308	$ 11,479,308	$ 2,568,132
Series B Convertible Preferred Stock [Member]
Deemed Dividend on Series B Convertible Preferred Stock		11,479,308		11,479,308
Previously Reported [Member]
Preferred Stock, Deemed Dividend		4,782,100		4,782,100
Previously Reported [Member] | Series B Convertible Preferred Stock [Member]
Preferred Stock, Deemed Dividend		$ 4,782,100		$ 4,782,100