Note 3 - Long Term Borrowings (Details Textual) - USD ($) | Jul. 19, 2017 | Feb. 03, 2015 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 20, 2017 |
Amortization of Debt Discount (Premium) | | | | | $ 22,000 | $ 49,000 | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, First Issuance [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 1,115,827 | | | | | | |
Class of Warrant or Right, Term | 5 years | | | | | | |
Warrants and Rights Outstanding | $ 167,000 | | | | | | |
Warrants and Rights Outstanding, Incremental Value | $ 6,000 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, First Issuance, Tranche 1 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 390,539 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.10 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, First Issuance, Tranche 2 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 390,539 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.20 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, First Issuance, Tranche 3 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 334,749 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.30 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, Second Issuance [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 767,500 | | | | | | |
Class of Warrant or Right, Term | 5 years | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, Second Issuance, Tranche 1 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 268,625 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.10 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, Second Issuance, Tranche 2 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 268,625 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.20 | | | | | | |
Warrants Issued to MHW SPV II, LLC in Connection with Promissory Note, Second Issuance, Tranche 3 [Member] | | | | | | | |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 230,250 | | | | | | |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 0.30 | | | | | | |
MHW SPV II, LLC [Member] | | | | | | | |
Debt Agreement, Maximum Borrowing Capacity | | $ 2,000,000 | | | | | $ 2,000,000 |
Proceeds from Issuance of Debt | $ 650,000 | | | | | | |
Debt Agreement, Maximum Borrowing Capacity During Post Amendment Period | $ 2,500,000 | | | | | | |
Debt Agreement, Post Amendment Period | 60 years | | | | | | |
Debt Instrument, Prepayment Penalty in First Period, Percentage | 4.00% | | | | | | |
Debt Instrument, Prepayment Penalty in Second Period, Percentage | 2.00% | | | | | | |
Debt Instrument, Prepayment Penalty in Third Period, Percentage | 1.00% | | | | | | |
MHW SPV II, LLC [Member] | Notes Payable, First Issuance [Member] | | | | | | | |
Proceeds from Issuance of Debt | | $ 945,000 | | | | | |
Debt Instrument, Term | 5 years | | | | | | |
Long-term Debt, Gross | | | $ 945,000 | | 945,000 | | |
Debt Instrument, Interest Rate, Stated Percentage | 12.00% | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage, Paid in Cash | 6.00% | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage, Paid in Kind | 6.00% | | | | | | |
Debt Instrument, Unamortized Discount | $ 93,000 | | | | | | |
Amortization of Debt Discount (Premium) | | | 5,000 | $ 8,000 | $ 21,000 | $ 24,000 | |
MHW SPV II, LLC [Member] | Notes Payable, Second Issuance [Member] | | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | 12.00% | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage, Paid in Cash | 6.00% | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage, Paid in Kind | 6.00% | | | | | | |
Debt Instrument, Prepayment Penalty in First Period, Percentage | 4.00% | | | | | | |
Debt Instrument, Prepayment Penalty in Second Period, Percentage | 2.00% | | | | | | |
Debt Instrument, Prepayment Penalty in Third Period, Percentage | 1.00% | | | | | | |
Warrants and Rights Outstanding | $ 115,000 | | | | | | |
Debt Instrument, Unamortized Discount | $ 98,000 | | | | | | |
Amortization of Debt Discount (Premium) | | | $ 5,000 | | | | |