Note 6 - Long Term Debt - Long Term Debt (Details) (Parentheticals)	9 Months Ended	12 Months Ended
	Jun. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)
Note Payable to Keehan Trust Funding, LLC, Dated February 16, 2016 [Member]
Collateral	$ 4,700,000	$ 4,700,000
Debt instrument, face amount	$ 1,600,000	$ 1,600,000
Note Payable to Ford Credit Dated October 1, 2014 [Member]
Number of payments		48
Principal payments		$ 744
Debt instrument, face amount		$ 32,929
Capital Lease Obligations [Member]
Debt instrument, interest rate, stated percentage	8.00%	8.00%
Principal payments	$ 3,355	$ 3,355
Note Payable to EIN CAP [Member]
Debt instrument, discount	$ 32,375	$ 29,975
Debt instrument, interest rate, stated percentage	0.00%	0.00%
Debt instrument, face amount	$ 142,100	$ 102,335
Notes Payable to Complete Business Solutions [Member]
Debt instrument, discount	$ 776,868	$ 185,046
Debt instrument, interest rate, stated percentage	0.00%	0.00%
Debt instrument, face amount	$ 3,724,202	$ 1,173,521
Note Payable to Yellowstone Capital [Member]
Debt instrument, discount	$ 174,338	$ 66,944
Debt instrument, interest rate, stated percentage	0.00%	0.00%
Debt instrument, face amount	$ 641,945	$ 212,382
Note Payable to Sunshine Bank, Dated January 28, 2016 [Member] \| Prime Rate [Member]
Debt instrument, basis spread on variable rate	1.00%	1.00%
Note Payable to Sunshine Bank, Dated January 28, 2016 1 [Member]
Debt instrument, interest rate, stated percentage	4.75%	4.75%
Debt issuance costs, net	$ 31,813	$ 38,472
Debt instrument, face amount	2,000,000	2,000,000
Notes Payable to Power Up Lending Group, LTD [Member]
Debt instrument, discount	67,455	89,601
Debt instrument, face amount	328,361	454,752
Note Payable to Sunshine Bank, Dated September 30, 2016 [Member]
Debt issuance costs, net	$ 46,095	$ 54,769
Note Payable to Sunshine Bank, Dated September 30, 2016 [Member] \| Prime Rate [Member]
Debt instrument, basis spread on variable rate	1.00%	1.00%
Various Notes Payable to Ace Funding [Member]
Debt instrument, discount	$ 114,593
Debt instrument, interest rate, stated percentage
Debt instrument, face amount	400,250
Note Payable to RAM Capital [Member]
Debt instrument, discount	57,644
Debt instrument, interest rate, stated percentage
Debt instrument, face amount	185,685
Note Payable to Caymus Funding [Member]
Debt instrument, discount	31,910
Debt instrument, interest rate, stated percentage
Debt instrument, face amount	209,000
Note Payable to New Era [Member]
Debt instrument, discount	101,250
Debt instrument, interest rate, stated percentage
Debt instrument, face amount	326,250
Promissory Note Payable to LiftForward 1 [Member]
Debt instrument, face amount	510,000
Promissory Note Payable to LiftForward 2 [Member]
Debt instrument, face amount	$ 510,000
Two Promissory Notes Payable to LiftForward [Member]
Number of payments	24
Principal payments	$ 25,997.23
Debt issuance costs, net	40,771
Convertible Promissory Note Payable to Power Up Lending Group [Member]
Debt instrument, discount	$ 17,666
Debt instrument, interest rate, stated percentage	8.00%
Debt instrument, face amount	$ 53,000
Convertible Promissory Note Payable to Power Up Lending Group 2 [Member]
Debt instrument, discount	$ 69,858
Debt instrument, interest rate, stated percentage	12.00%
Debt instrument, face amount	$ 78,590
Note Payable to Fast Advance Funding [Member]
Debt instrument, discount	77,500
Debt instrument, face amount	327,500
Note Payable to Nexgen Capital [Member]
Debt instrument, discount	35,920
Debt instrument, face amount	122,080
Note Payable to Queen Funding [Member]
Debt instrument, discount	80,802
Debt instrument, face amount	$ 274,641
Note Payable to Allianz [Member]
Debt instrument, interest rate, stated percentage

Bulova Technologies Group, Inc. 10-Q/A