Quarterly report pursuant to Section 13 or 15(d)

Note 17 - Subsequent Events (Details Textual)

v3.19.1
Note 17 - Subsequent Events (Details Textual)
May 06, 2019
USD ($)
Apr. 18, 2019
$ / shares
shares
Mar. 31, 2019
$ / shares
shares
Dec. 31, 2018
$ / shares
shares
Common Stock, Shares, Outstanding, Ending Balance     10,052,392 10,019,535
Common Stock, Shares Authorized     300,000,000 300,000,000
Common Stock, Par or Stated Value Per Share | $ / shares     $ 0.001 $ 0.001
Before Reverse Stock Split [Member]        
Common Stock, Shares, Outstanding, Ending Balance     201,000,000  
Subsequent Event [Member]        
Common Stock, Shares Authorized   300,000,000    
Common Stock, Par or Stated Value Per Share | $ / shares   $ 0.001    
Cash-in-lieu Payments | $ $ 3,000      
Reverse Stock Split [Member] | Before Reverse Stock Split [Member]        
Common Stock, Shares, Outstanding, Ending Balance     201,000,000  
Reverse Stock Split [Member] | Subsequent Event [Member]        
Stockholders' Equity Note, Stock Split, Conversion Ratio   20