Note 4 - Notes Payable (Details Textual)					1 Months Ended								3 Months Ended		9 Months Ended
	Aug. 02, 2019 USD ($) $ / shares shares	Feb. 12, 2018 USD ($) $ / shares shares	Dec. 29, 2017 USD ($) $ / shares shares	Jul. 14, 2016 USD ($) $ / shares shares	Jan. 31, 2020 USD ($)	May 31, 2019 USD ($) shares	Apr. 30, 2019 USD ($) shares	Feb. 28, 2019 USD ($) shares	Jan. 31, 2019 USD ($)	Oct. 31, 2018 USD ($) shares	Jul. 31, 2018 USD ($) shares	May 31, 2018 USD ($) shares	Dec. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($)	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($)	May 01, 2016 USD ($)	Feb. 01, 2016 USD ($)
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares													$ 1.52		$ 1.52
Notes Payable, Noncurrent, Total													$ 3,194,729		$ 3,117,397
Amortization of Debt Discount (Premium)													77,332	$ 133,409
Notes Payable, Current, Total													385,000		385,000
Debt Instrument, Mature Date Extended, Amount													150,000
Notes Amendment [Member]
Gain (Loss) on Extinguishment of Debt, Total															977,110
Subsequent Event [Member]
Repayments of Notes Payable					$ 40,000
Conversion from December 2017 Convertible Notes to Common Stock [Member]
Debt Conversion, Original Debt, Amount								$ 30,000				$ 575,000
Debt Conversion, Converted Instrument, Shares Issued | shares								20,000				383,333
Debt Conversion, Accrued Interest												$ 15,233
Debt Conversion, Converted Interest payable, Shares Issued | shares												10,155
February 2018 Convertible Notes, Loan Principal Converted into Common Stock [Member]
Debt Conversion, Original Debt, Amount						$ 150,000				$ 45,000
Debt Conversion, Converted Instrument, Shares Issued | shares						100,000				30,000	250,000
February 2018 Convertible Notes, Interest Payable Converted into Common Stock [Member]
Debt Conversion, Original Debt, Amount						$ 19,521				$ 1,992	$ 14,704
Debt Conversion, Converted Instrument, Shares Issued | shares						13,014				1,328	9,802
February 2018 Convertible Notes, Loan Converted into Common Stock [Member]
Debt Conversion, Original Debt, Amount							$ 15,000
Debt Conversion, Converted Instrument, Shares Issued | shares							10,000
December 2017 Convertible Notes [Member] | GVC Capital LLC [Member]
Payments of Debt Issuance Costs			$ 64,000
Debt Instrument, Unamortized Discount, Total			15,438
Adjustments to Additional Paid in Capital, Warrant Issued			$ 48,562
Unrelated Party [Member] | Promissory Notes [member]
Average Closing Price per Share | $ / shares	$ 4
Average Daily Volume Of Shares Trades | shares	150,000
Payments of Debt Issuance Costs	$ 320,000
Strategic Capital Partners [Member]
Debt Instrument, Convertible, Conversion Price | $ / shares				$ 1.25
Amortization of Debt Discount (Premium)													0	5,341
Debt Conversion, Converted Instrument, Shares Issued | shares				400,000
Line of Credit Outstanding Amount Assumed by Related Party				$ 521,297
Notes Payable, Related Parties				2,431,646									1,756,646		1,756,646
Debt Instrument, Unamortized Premium, Total				72,651									0		$ 0
Strategic Capital Partners [Member] | Debt Converted into Common Stock [Member]
Debt Conversion, Original Debt, Amount				500,000
Strategic Capital Partners [Member] | Debt Converted into Promissory Notes [Member]
Debt Conversion, Original Debt, Amount				$ 1,756,646
Strategic Capital Partners [Member] | Promissory Note One [Member]
Debt Instrument, Interest Rate, Stated Percentage				9.50%
Debt Instrument, Convertible, Conversion Price | $ / shares				$ 1.25
Average Closing Price per Share | $ / shares				$ 2.50
Average Daily Volume Of Shares Trades | shares				100,000
Notes Payable, Related Parties				$ 1,000,000
Convertible Debt, Number of Trading Days				20
Period to Notify End of Right to Convert Notes				10 days
Period before Right to Convert Notes Expires				45 days
Strategic Capital Partners [Member] | Promissory Note Two [Member]
Debt Instrument, Interest Rate, Stated Percentage				8.00%											9.00%
Notes Payable, Related Parties				$ 756,646
Interest Payable															$ 0	$ 12,742
Warrants Issued to Unrelated Parties Lenders [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares	600,000
Warrants Issued to Unrelated Parties Lenders [Member] | Promissory Notes [member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares	600,000
Warrants and Rights Outstanding	$ 562,762
Warrants to Purchase Additional Shares [Member]
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 1.50
Warrants to Purchase Additional Shares [Member] | Strategic Capital Partners [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares				800,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 3
Warrants Issued to Placement Agent [Member] | Promissory Notes [member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares	48,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 1.50
Warrants Issued to Placement Agent [Member] | December 2017 Convertible Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares			106,667
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares			$ 1.50
Warrants Issued to Accredited Investors [Member] | December 2017 Convertible Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares			533,333
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares			$ 1.50
Warrants Issued to Accredited Investors [Member] | February 2018 Convertible Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares		540,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 1.50
Warrants Issued to Accredited Investors and Placement Agent [Member] | December 2017 Convertible Notes [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares			640,000
February 2018 Convertible Notes, Loan Principal Converted into Common Stock [Member]
Debt Conversion, Original Debt, Amount											$ 375,000
Warrant to Related Party, Set 1 [Member] | Strategic Capital Partners [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares				800,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares				$ 1.50
Warrants Issued for Notes Amendment [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares															1,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares															$ 1.25
Unrelated Party [Member]
Proceeds from Issuance of Long-term Debt, Total	$ 4,000,000
Debt Instrument, Interest Rate, Stated Percentage	11.00%
Line of Credit Facility, Current Borrowing Capacity																	$ 1,000,000	$ 200,000
Unrelated Party [Member] | Construction Loans [Member]
Proceeds from Issuance of Long-term Debt, Total			$ 800,000
Debt Instrument, Interest Rate, Stated Percentage			8.00%
Debt Instrument, Convertible, Conversion Price | $ / shares			$ 1.50
Unrelated Party [Member] | Promissory Notes [member]
Debt Instrument, Unamortized Discount, Total	$ 52,392												805,271
Notes Payable, Noncurrent, Total													4,000,000
Amortization of Debt Discount (Premium)													77,332
Accredited Investors [Member] | December 2017 Convertible Notes [Member] | Convertible Debt [Member]
Debt Instrument, Unamortized Discount, Total			$ 607,024
Amortization of Debt Discount (Premium)													0	51,749
Debt Instrument, Convertible, Beneficial Conversion Feature			$ 128,976
Notes Payable, Current, Total													195,000		$ 195,000
Accredited Investors [Member] | February 2018 Convertible Notes [Member] | Convertible Debt [Member]
Debt Instrument, Interest Rate, Stated Percentage		8.00%
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 1.50
Debt Instrument, Unamortized Discount, Total		$ 523,013
Amortization of Debt Discount (Premium)													0	$ 87,001
Debt Instrument, Convertible, Beneficial Conversion Feature		286,987
Notes Payable, Current, Total													$ 190,000		$ 190,000
Debt Instrument, Face Amount		$ 810,000
Repayments of Convertible Debt									$ 35,000