GOODWILL AND INTANGIBLE ASSETS - Intangible assets subject to amortization (Details) - USD ($)			3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
GOODWILL AND INTANGIBLE ASSETS
Goodwill impairment					$ 0		$ 0
Original Cost	$ 5,669,943		$ 5,669,943		5,669,943
Accumulated Amortization and Impairment	2,063,626	$ 1,604,367	164,199	$ 108,142	459,259	$ 324,426
Net Book Value	$ 3,606,317	3,065,576	3,606,317		3,606,317		3,065,576
Amortization of intangible assets			$ 164,199	108,142	$ 459,259	324,426
Customer relationships \| Tribute Contracting & Consultants
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	53 months		53 months		53 months
Original Cost	$ 500,000		$ 500,000		$ 500,000
Accumulated Amortization and Impairment	58,332	0	25,000	0	58,332	0
Net Book Value	$ 441,668	0	$ 441,668		$ 441,668		0
Customer relationships \| West Virginia Pipeline
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	66 months		66 months		66 months
Original Cost	$ 2,209,724		$ 2,209,724		$ 2,209,724
Accumulated Amortization and Impairment	994,365	828,630	55,245	55,242	165,735	165,726
Net Book Value	$ 1,215,359	1,381,094	$ 1,215,359		$ 1,215,359		1,381,094
Customer relationships \| Tri-State Paving
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	82 months		82 months		82 months
Original Cost	$ 1,649,159		$ 1,649,159		$ 1,649,159
Accumulated Amortization and Impairment	522,234	398,547	41,229	41,229	123,687	123,687
Net Book Value	$ 1,126,925	1,250,612	$ 1,126,925		$ 1,126,925		1,250,612
Tradename \| Tribute Contracting & Consultants
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	53 months		53 months		53 months
Original Cost	$ 250,000		$ 250,000		$ 250,000
Accumulated Amortization and Impairment	29,169	0	12,501	0	29,169	0
Net Book Value	$ 220,831	0	$ 220,831		$ 220,831		0
Tradename \| West Virginia Pipeline
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	66 months		66 months		66 months
Original Cost	$ 263,584		$ 263,584		$ 263,584
Accumulated Amortization and Impairment	118,627	98,863	6,588	6,591	19,764	19,773
Net Book Value	$ 144,957	164,721	$ 144,957		$ 144,957		164,721
Tradename \| Tri-State Paving
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	82 months		82 months		82 months
Original Cost	$ 203,213		$ 203,213		$ 203,213
Accumulated Amortization and Impairment	64,351	49,110	5,081	5,080	15,241	15,240
Net Book Value	$ 138,862	154,103	$ 138,862		$ 138,862		154,103
Non-competes \| Tribute Contracting & Consultants
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	53 months		53 months		53 months
Original Cost	$ 250,000		$ 250,000		$ 250,000
Accumulated Amortization and Impairment	29,169	0	12,501	0	29,169	0
Net Book Value	220,831	0	220,831		220,831		0
Non-competes \| West Virginia Pipeline
GOODWILL AND INTANGIBLE ASSETS
Original Cost	83,203		83,203		83,203
Accumulated Amortization and Impairment	83,203	83,203	0	0	0	0
Net Book Value	0	0	0		0		0
Non-competes \| Tri-State Paving
GOODWILL AND INTANGIBLE ASSETS
Original Cost	39,960		39,960		39,960
Accumulated Amortization and Impairment	39,960	39,960	0	0	0	0
Net Book Value	0	0	0		0		0
Employment agreement/non-compete \| Revolt Energy
GOODWILL AND INTANGIBLE ASSETS
Original Cost	100,000		100,000		100,000
Accumulated Amortization and Impairment	100,000	100,000	0	$ 0	0	$ 0
Net Book Value	$ 0	0	$ 0		$ 0		0
Heritage Painting Customer relationships \| Revolt Energy
GOODWILL AND INTANGIBLE ASSETS
Remaining Life	48 months		48 months		48 months
Original Cost	$ 121,100		$ 121,100		$ 121,100
Accumulated Amortization and Impairment	24,216	6,054	6,054		18,162
Net Book Value	$ 96,884	$ 115,046	$ 96,884		$ 96,884		$ 115,046

Energy Services of America CORP 10-Q