XML 59 R44.htm IDEA: XBRL DOCUMENT v3.19.1
Note 10 - Warrants (Details Textual)
12 Months Ended
Dec. 31, 2018
yr
shares
Dec. 31, 2017
shares
Apr. 15, 2018
USD ($)
$ / shares
shares
Class Of Warrant Or Right, Exercised 0 0  
Warrants Issued to Consultants [Member]      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     452,617
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares     $ 0.27
Warrants and Rights Outstanding | $     $ 75,967
Warrants and Rights Outstanding, Term     2 years
Warrants Issued to Consultants [Member] | Measurement Input, Price Volatility [Member]      
Warrants and Rights Outstanding, Measurement Input 2.07    
Warrants Issued to Consultants [Member] | Measurement Input, Expected Term [Member]      
Warrants and Rights Outstanding, Measurement Input | yr 2    
Warrants Issued to Consultants [Member] | Measurement Input, Discount Rate [Member]      
Warrants and Rights Outstanding, Measurement Input 0.0239