Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Subsequent Events (Details Textual)

v3.10.0.1
Note 8 - Subsequent Events (Details Textual)
1 Months Ended 9 Months Ended
Feb. 19, 2019
USD ($)
$ / shares
shares
Feb. 05, 2019
$ / shares
shares
Dec. 21, 2018
USD ($)
Aug. 31, 2018
USD ($)
Jan. 31, 2019
USD ($)
Sep. 30, 2018
$ / shares
shares
Feb. 18, 2019
shares
Nov. 01, 2018
$ / shares
shares
Oct. 31, 2018
$ / shares
shares
Aug. 07, 2018
USD ($)
Dec. 31, 2017
$ / shares
shares
Common Stock, Shares Authorized           100,000,000         100,000,000
Common Stock, Par or Stated Value Per Share | $ / shares           $ 0.001         $ 0.001
Preferred Stock, Shares Authorized           2,534,766          
Preferred Stock, Par or Stated Value Per Share | $ / shares           $ 0.001          
Common Stock, Shares, Outstanding, Ending Balance           1,898,056         1,820,556
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross           2,220,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares           $ 1.75          
Employee Stock Option [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period           10 years          
Subsequent Event [Member]                      
Common Stock, Shares Authorized 100,000,000             19,000,000 19,000,000    
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.001             $ 0.001 $ 0.001    
Preferred Stock, Shares Authorized               2,534,766 2,534,766    
Preferred Stock, Par or Stated Value Per Share | $ / shares               $ 0.001 $ 0.001    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Number of Quarterly Installments   4                  
Stock Issued During Period, Shares, New Issues 2,172,591                    
Shares Issued, Price Per Share | $ / shares $ 5                    
Proceeds from Issuance of Common Stock | $ $ 10,862,955                    
Proceeds from Issuance of Common Stock, Net | $ 9,700,000                    
Debt Conversion, Original Debt, Amount | $ $ 11,784,987                    
Debt Conversion, Converted Instrument, Shares Issued 6,825,391                    
Conversion of Accrued Dividends into Common Stock, Amount Converted | $ $ 4,773,480                    
Conversion of Accrued Dividends into Common Stock, Shares Issued 954,696                    
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total 100,000                    
Common Stock, Shares, Outstanding, Ending Balance 14,613,000           127,500        
Debt Instrument, Convertible, Threshold Percentage of Stock Ownership After Conversion 4.99%                    
Convertible Debt, Total | $ $ 47,781                    
Debt Instrument, Convertible, Number of Equity Instruments 273,034                    
Extinguishment of Deferred Compensation, Amount | $         $ 484,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   401,750                  
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares   $ 1.75                  
Subsequent Event [Member] | Employee Stock Option [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years                  
Subsequent Event [Member] | Conversion of Preferred Stock into Common Stock [Member]                      
Conversion of Stock, Shares Issued 2,534,766                    
Warrant Issued with Fifth Note [Member]                      
Warrants and Rights Outstanding, Term                   5 years  
Fifth Note [Member] | Non-convertible Promissory Notes [Member]                      
Debt Agreement, Maximum Borrowing Capacity | $                   $ 485,000  
Debt Instrument, Interest Rate, Stated Percentage                   10.00%  
Debt Agreement, Additional Borrowing Capacity | $       $ 200,000              
Fifth Note [Member] | Non-convertible Promissory Notes [Member] | Subsequent Event [Member]                      
Debt Agreement, Maximum Borrowing Capacity | $     $ 985,000                
Debt Agreement, Additional Borrowing Capacity | $     300,000                
Fifth Note [Member] | Non-convertible Promissory Notes [Member] | Subsequent Event [Member] | Related Party Investors [Member]                      
Proceeds from Issuance of Long-term Debt, Total | $     125,000                
Fifth Note [Member] | Non-convertible Promissory Notes [Member] | Subsequent Event [Member] | Non-related Party Investors [Member]                      
Proceeds from Issuance of Long-term Debt, Total | $     $ 860,000