v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Intangible assets subject to amortization (Details) - USD ($)
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Sep. 30, 2025
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 5 years 9 months 18 days   5 years 9 months 18 days   5 years 9 months 18 days  
Original Cost $ 7,463,943   $ 7,463,943   $ 7,463,943  
Accumulated Amortization and Impairment 3,259,205 $ 2,568,860 284,403 $ 164,197 690,345 $ 295,060
Net Book Value $ 4,204,738 4,895,083 $ 4,204,738   $ 4,204,738  
Customer relationships            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 5 years 3 months 18 days   5 years 3 months 18 days   5 years 3 months 18 days  
Customer relationships | West Virginia Pipeline            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 57 months   57 months   57 months  
Original Cost $ 2,209,724   $ 2,209,724   $ 2,209,724  
Accumulated Amortization and Impairment 1,160,100 1,049,610 55,245 55,245 110,490 110,490
Net Book Value $ 1,049,624 1,160,114 $ 1,049,624   $ 1,049,624  
Customer relationships | Heritage Painting            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 39 months   39 months   39 months  
Original Cost $ 121,100   $ 121,100   $ 121,100  
Accumulated Amortization and Impairment 42,378 30,270 6,054 6,054 12,108 12,108
Net Book Value $ 78,722 90,830 $ 78,722   $ 78,722  
Customer relationships | Tri-State Paving            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 73 months   73 months   73 months  
Original Cost $ 1,649,159   $ 1,649,159   $ 1,649,159  
Accumulated Amortization and Impairment 645,921 563,463 41,229 41,229 82,458 82,458
Net Book Value $ 1,003,238 1,085,696 $ 1,003,238   $ 1,003,238  
Tradename            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 years 8 months 12 days   8 years 8 months 12 days   8 years 8 months 12 days  
Tradename | West Virginia Pipeline            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 57 months   57 months   57 months  
Original Cost $ 263,584   $ 263,584   $ 263,584  
Accumulated Amortization and Impairment 138,391 125,215 6,588 6,588 13,176 13,176
Net Book Value $ 125,193 138,369 $ 125,193   $ 125,193  
Tradename | Tri-State Paving            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 73 months   73 months   73 months  
Original Cost $ 203,213   $ 203,213   $ 203,213  
Accumulated Amortization and Impairment 79,592 69,431 5,081 5,080 10,161 10,160
Net Book Value $ 123,621 133,782 $ 123,621   $ 123,621  
Tradename | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 44 months   44 months   44 months  
Original Cost $ 80,000   $ 80,000   $ 80,000  
Accumulated Amortization and Impairment 21,331 13,333 3,999 37,500 7,998 50,000
Net Book Value $ 58,669 66,667 $ 58,669   $ 58,669  
Tradename | Rigney Digital Systems            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 126 months   126 months   126 months  
Original Cost $ 657,100   $ 657,100   $ 657,100  
Accumulated Amortization and Impairment 29,868   14,934   29,868  
Net Book Value $ 627,232 657,100 $ 627,232   $ 627,232  
Non-competes            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 years 8 months 12 days   8 years 8 months 12 days   8 years 8 months 12 days  
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  
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  
Non-competes | Rigney Digital Systems            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 114 months   114 months   114 months  
Original Cost $ 46,300   $ 46,300   $ 46,300  
Accumulated Amortization and Impairment 2,316   1,158   2,316  
Net Book Value $ 43,984 46,300 $ 43,984   $ 43,984  
Non-compete 1 | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 104 months   104 months   104 months  
Original Cost $ 520,000   $ 520,000   $ 520,000  
Accumulated Amortization and Impairment 69,331 43,333 12,999 $ 12,501 25,998 $ 16,668
Net Book Value $ 450,669 476,667 $ 450,669   $ 450,669  
Non-compete 2 | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 80 months   80 months   80 months  
Original Cost $ 10,000   $ 10,000   $ 10,000  
Accumulated Amortization and Impairment 1,666 1,042 312   624  
Net Book Value $ 8,334 8,958 $ 8,334   $ 8,334  
Backlog            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 10 months 24 days   10 months 24 days   10 months 24 days  
Backlog | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 months   8 months   8 months  
Original Cost $ 1,320,000   $ 1,320,000   $ 1,320,000  
Accumulated Amortization and Impairment 880,000 550,000 104,230   330,000  
Net Book Value $ 440,000 770,000 $ 440,000   $ 440,000  
Backlog | Rigney Digital Systems            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 18 months   18 months   18 months  
Original Cost $ 260,600   $ 260,600   $ 260,600  
Accumulated Amortization and Impairment 65,148   32,574   65,148  
Net Book Value $ 195,452 $ 260,600 $ 195,452   $ 195,452