Note 4 - Notes Payable (Details Textual) | Dec. 15, 2018USD ($) | Sep. 15, 2018USD ($) | Sep. 12, 2018USD ($)shares | Aug. 01, 2018USD ($)shares | Jul. 31, 2018USD ($)shares | Jul. 23, 2018USD ($)shares | Jul. 19, 2018USD ($)shares | Jun. 15, 2018USD ($) | Mar. 01, 2018USD ($)shares | Dec. 13, 2017USD ($) | Sep. 20, 2017USD ($)shares | Aug. 31, 2018USD ($)shares | Apr. 30, 2018USD ($)shares | Mar. 31, 2018USD ($)shares | Feb. 28, 2018USD ($) | Jan. 31, 2018USD ($)shares | Dec. 31, 2017USD ($) | Oct. 31, 2017USD ($) | Mar. 31, 2018USD ($)shares | Sep. 30, 2018USD ($)shares | Mar. 31, 2018USD ($)shares | Sep. 30, 2017USD ($) | Sep. 30, 2018USD ($)shares | Sep. 30, 2017USD ($) | May 01, 2018 |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | | | | | | | 3,600,000 | 166,666 | | 6,367,000 | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | | | | | | | $ 437,355 | | | $ 830,610 | | | $ 830,610 | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | | | | | | | | | | | | | | | | (745,439) | | $ (89,341) | (1,039,711) | $ (394,169) | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | | | | | | | 401,782 | $ 13,917 | | 693,911 | | |
Interest Expense, Debt, Total | | | | | | | | | | | | | | | | | | | | 14,497 | | 17,750 | 48,275 | 64,463 | |
Amortization of Debt Discount (Premium) | | | | | | | | | | | | | | | | | | | | $ 364,804 | | $ 86,250 | $ 898,896 | $ 687,598 | |
September 2017 Note Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | | $ 150,000 | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | 5.00% | | | | | | 5.00% | | | 5.00% | | | 5.00% | | 5.00% |
Debt Instrument, Original Issue Discount | | | | | | | | | | | $ 15,000 | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | | | | 165,000 | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | $ 70,169 | | | | | | | | | | | | | | |
September 2017 Note Payable [Member] | Fair Value in Excess of the Settled Principal and Interest Balance [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | | | | | | | | | $ 26,537 | | | | | | | | | | | | |
September 2017 Note Payable [Member] | Unamortized Debt Discount [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | | | | | | | | | $ 12,050 | | | | | | | | | | | | |
September 2017 Note Payable [Member] | Conversion of Debt to Shares of Common Stock [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Shares Issued | shares | | | | | | | | | | | | | 1,474,287 | | | | | | | | | | | | |
Debt Conversion, Original Debt, Amount | | | | | | | | | | | | | $ 169,543 | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Amount | | | | | | | | | | | | | 196,080 | | | | | | | | | | | | |
September 2017 Note Payable [Member] | Unrelated Third Party Investor [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | 895,000 | | | | | | | | | | | | | | |
December 2017 Note Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | $ 350,000 | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | 5.00% | | | | | | | 5.00% | | | 5.00% | | | 5.00% | | |
Debt Instrument, Original Issue Discount | | | | | | | | | | $ 40,000 | | | | | | | | | | | | | | | |
Debt Instrument, Periodic Payment, Total | | $ 133,250 | | | | | | $ 139,750 | | | | | | | | | | | | | | | | | |
Debt Instrument, Number of Payments | | | | | | | | | | | | | | | | | 12 | | | | | | | | |
Debt Instrument, Periodic Payment, Interest | | | | | | | | | | | | | | | | | $ 50,000 | | | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | | | | | | | | | 20.00% | | | | | | | | |
December 2017 Note Payable [Member] | Scenario, Forecast [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Periodic Payment, Total | $ 131,625 | | | | | | | | | | | | | | | | | | | | | | | | |
December 2017 Note Payable [Member] | Fair Value in Excess of the Settled Principal and Interest Balance [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | | $ 279,787 | | | | | | | | | | | | | | | | | | | |
December 2017 Note Payable [Member] | Unamortized Debt Discount [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | | $ 42,594 | | | | | | | | | | | | | | | | | | | |
December 2017 Note Payable [Member] | Conversion of Debt to Shares of Common Stock [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | 5.00% | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Shares Issued | shares | | | | | | 3,832,695 | | | | | | 3,832,695 | | | | | | | | | | | | | |
Debt Conversion, Original Debt, Amount | | | | | | $ 402,433 | | | | | | $ 402,433 | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Amount | | | | | | $ 682,220 | | | | | | $ 682,220 | | | | | | | | | | | | | |
October and December 2017 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | | | | | | | | $ 500,000 | $ 500,000 | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | | | | | | 0.00% | | | | | | | | |
Debt Instrument, Original Issue Discount | | | | | | | | | | | | | | | | | $ 200,000 | | | | | | | | |
October and December 2017 Notes Payable [Member] | Fair Value in Excess of the Settled Principal and Interest Balance [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | $ 116,667 | | | | $ 218,083 | | | | | | | | | | | | | | | | |
October and December 2017 Notes Payable [Member] | Unamortized Debt Discount [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | $ 66,753 | | | | $ 37,602 | | | | | | | | | | | | | | | | |
October and December 2017 Notes Payable [Member] | Conversion of Debt to Shares of Common Stock [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Shares Issued | shares | | | | | 2,380,954 | | | | 2,250,000 | | | 2,380,954 | | 2,250,000 | | | | | | | | | | | |
Debt Conversion, Original Debt, Amount | | | | | $ 250,000 | | | | $ 166,667 | | | $ 250,000 | | $ 166,667 | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Amount | | | | | 366,667 | | | | $ 384,750 | | | $ 366,667 | | 384,750 | | | | | | | | | | | |
October 2017 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Number of Payments | | | | | | | | | | | | | | | | | | 9 | | | | | | | |
Debt Instrument, Periodic Payment, Interest | | | | | | | | | | | | | | | | | | $ 66,667 | | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | | | | | | | | | | 27.00% | | | | | | | |
January and March 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | | | | | $ 550,000 | | $ 677,500 | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | | | 0.00% | | | | | 0.00% | | 0.00% | | | | |
Debt Instrument, Original Issue Discount | | | | | | | | | | | | | | $ 269,375 | | | | | $ 269,375 | | $ 269,375 | | | | |
Debt Instrument, Face Amount | | | | | | | | | | | | | | $ 1,496,875 | | | | | $ 1,496,875 | | $ 1,496,875 | | | | |
Debt Instrument, Number of Payments | | | | | | | | | | | | | | 12 | | | | | 12 | | 12 | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | | | | | | | | | | | 22.00% | | | | | 22.00% | | 22.00% | | | | |
January and March 2018 Notes Payable [Member] | Fair Value in Excess of the Settled Principal and Interest Balance [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | 140,000 | | | | | | | | | | | | | | | | | | | | |
January and March 2018 Notes Payable [Member] | Unamortized Debt Discount [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Gain (Loss) on Extinguishment of Debt, Total | | | | | $ 99,638 | | | | | | | | | | | | | | | | | | | | |
January and March 2018 Notes Payable [Member] | Conversion of Debt to Shares of Common Stock [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Shares Issued | shares | | | | | 2,857,144 | | | | | | | 2,857,144 | | | | | | | | | | | | | |
Debt Conversion, Original Debt, Amount | | | | | $ 300,000 | | | | | | | $ 300,000 | | | | | | | | | | | | | |
Debt Conversion, Converted Instrument, Amount | | | | | $ 440,000 | | | | | | | $ 440,000 | | | | | | | | | | | | | |
January and March 2018 Notes Payable [Member] | Three Unrelated Third-party Investors [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | | | | | | | | 1,282,000 | | | | |
January and March 2018 Notes Payable [Member] | Third-party Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | 314,737 | | 621,317 | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | $ 55,000 | | $ 67,500 | | | | | | | | | |
January 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | | | | | | $ 226,669 | | | | | | | | | |
Debt Instrument, Periodic Payment, Principal | | | | | | | | | | | | | | | $ 68,490 | | | | | | | | | | |
January 2018 Notes Payable [Member] | Third-party Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | | | 621,317 | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | | | $ 67,500 | | | | | | | | | |
March 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | | | | $ 187,574 | | | | | $ 187,574 | | $ 187,574 | | | | |
Debt Instrument, Periodic Payment, Principal | | | | | | | | | | | | | $ 56,250 | | | | | | | | | | | | |
March 2018 Notes Payable [Member] | Third-party Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | 314,737 | | | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | | | | | | | | | | | $ 55,000 | | | | | | | | | | | |
February and March 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | | | | | | | | | | | | $ 650,000 | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | | | | | 5.00% | | | 5.00% | | 5.00% | 5.00% | 5.00% | | 5.00% | | |
Debt Instrument, Original Issue Discount | | | | | | | | | | | | | | $ 70,000 | | | | | $ 70,000 | | $ 70,000 | | | | |
Debt Instrument, Face Amount | | | | | | | | | | | | | | 720,000 | | | | | 720,000 | | 720,000 | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | | | | $ 128,695 | | | | | $ 128,695 | | $ 128,695 | | | | |
February and March 2018 Notes Payable [Member] | Two Unrelated Third-party Investors [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | | | | | | | | | | | | | 1,485,000 | | | | | | |
Second March 2018 Note Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Number of Payments | | | | | | | | | | | | | | 3 | | | | | 3 | | 3 | | | | |
February 2018 Note Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | | | | | | | | | $ 93,566 | | | | | | | | | | |
July 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | | | | $ 500,000 | | | | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | 5.00% | | | | | | | | | | | | | 5.00% | | | 5.00% | | |
Debt Instrument, Original Issue Discount | | | | | | | $ 50,000 | | | | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | 550,000 | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | | | | $ 176,166 | | | | | | | | | | | | | | | | | | |
July 2018 Notes Payable [Member] | Unrelated Third Party Investor [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | | | | 1,600,000 | | | | | | | | | | | | | | | | | | |
August 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | | $ 1,000,000 | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | 0.00% | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Original Issue Discount | | | | $ 200,000 | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | | $ 435,322 | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Number of Payments | | | | 12 | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Effective Percentage | | | | 20.00% | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Periodic Payment, Principal | | | | $ 100,000 | | | | | | | | | | | | | | | | | | | | | |
August 2018 Notes Payable [Member] | Third-party Consultant [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | 638,978 | | | | | | | | | | 638,978 | | | | | | | | | | | |
Stock Issued During Period, Value, Restricted Stock Award, Gross | | | | $ 100,000 | | | | | | | | | | $ 100,000 | | | | | | | | | | | |
August 2018 Notes Payable [Member] | Two Unrelated Third-party Investors [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | | 1,000,000 | | | | | | | | | | | | | | | | | | | | | |
September 2018 Notes Payable [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Proceeds from Issuance of Debt | | | $ 350,000 | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 5.00% | | | | | | | | | | | | | | | | | 3.80% | | | 3.80% | | |
Debt Instrument, Original Issue Discount | | | $ 40,000 | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | 390,000 | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount, Total | | | $ 130,296 | | | | | | | | | | | | | | | | | | | | | | |
Debt Instrument, Number of Payments | | | 3 | | | | | | | | | | | | | | | | | | | | | | |
September 2018 Notes Payable [Member] | Unrelated Third Party Investor [Member] | | | | | | | | | | | | | | | | | | | | | | | | | |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | shares | | | 1,000,000 | | | | | | | | | | | | | | | | | | | | | | |