Annual report pursuant to Section 13 and 15(d)

Note 1 - Nature of Business and Reverse Stock Split (Details Textual)

v3.7.0.1
Note 1 - Nature of Business and Reverse Stock Split (Details Textual)
Aug. 10, 2017
USD ($)
$ / shares
shares
Aug. 09, 2017
shares
Jun. 30, 2017
$ / shares
shares
Jun. 30, 2016
$ / shares
shares
Common Stock, Par or Stated Value Per Share | $ / shares     $ 0.001 $ 0.001
Common Stock, Shares, Outstanding     25,085,526 20,937,513
Subsequent Event [Member]        
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.001      
Common Stock, Shares, Outstanding 25,085,526 250,842,418    
Reverse Stock Split [Member] | Subsequent Event [Member]        
Stockholders' Equity Note, Stock Split, Conversion Ratio 10      
Fractional Shares Issued, Reverse Stock Split 0      
Adjustments to Additional Paid in Capital, Reverse Stock Split | $ $ 226,000