v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Intangible assets subject to amortization (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 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 3,588,941 $ 2,568,860 329,736 $ 164,199 1,020,081 $ 459,259
Net Book Value $ 3,875,002 4,895,083 $ 3,875,002   $ 3,875,002  
Customer relationships            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 5 years 1 month 6 days   5 years 1 month 6 days   5 years 1 month 6 days  
Customer relationships | West Virginia Pipeline            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 54 months   54 months   54 months  
Original Cost $ 2,209,724   $ 2,209,724   $ 2,209,724  
Accumulated Amortization and Impairment 1,215,345 1,049,610 55,245 55,245 165,735 165,735
Net Book Value $ 994,379 1,160,114 $ 994,379   $ 994,379  
Customer relationships | Heritage Painting            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 36 months   36 months   36 months  
Original Cost $ 121,100   $ 121,100   $ 121,100  
Accumulated Amortization and Impairment 48,432 30,270 6,054 6,054 18,162 18,162
Net Book Value $ 72,668 90,830 $ 72,668   $ 72,668  
Customer relationships | Tri-State Paving            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 70 months   70 months   70 months  
Original Cost $ 1,649,159   $ 1,649,159   $ 1,649,159  
Accumulated Amortization and Impairment 673,407 563,463 27,486 41,229 109,944 123,687
Net Book Value $ 975,752 1,085,696 $ 975,752   $ 975,752  
Tradename            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 years 6 months   8 years 6 months   8 years 6 months  
Tradename | West Virginia Pipeline            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 54 months   54 months   54 months  
Original Cost $ 263,584   $ 263,584   $ 263,584  
Accumulated Amortization and Impairment 144,979 125,215 6,588 6,588 19,764 19,764
Net Book Value $ 118,605 138,369 $ 118,605   $ 118,605  
Tradename | Tri-State Paving            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 70 months   70 months   70 months  
Original Cost $ 203,213   $ 203,213   $ 203,213  
Accumulated Amortization and Impairment 82,979 69,431 3,387 5,081 13,548 15,241
Net Book Value $ 120,234 133,782 $ 120,234   $ 120,234  
Tradename | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 41 months   41 months   41 months  
Original Cost $ 80,000   $ 80,000   $ 80,000  
Accumulated Amortization and Impairment 25,347 13,333 4,016 2,073 12,014 4,836
Net Book Value $ 54,653 66,667 $ 54,653   $ 54,653  
Tradename | Rigney Digital Systems            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 123 months   123 months   123 months  
Original Cost $ 657,100   $ 657,100   $ 657,100  
Accumulated Amortization and Impairment 44,802   14,934   44,802  
Net Book Value $ 612,298 657,100 $ 612,298   $ 612,298  
Non-competes            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 years 6 months   8 years 6 months   8 years 6 months  
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 111 months   111 months   111 months  
Original Cost $ 46,300   $ 46,300   $ 46,300  
Accumulated Amortization and Impairment 3,474   1,158   3,474  
Net Book Value $ 42,826 46,300 $ 42,826   $ 42,826  
Non-compete 1 | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 101 months   101 months   101 months  
Original Cost $ 520,000   $ 520,000   $ 520,000  
Accumulated Amortization and Impairment 82,367 43,333 13,036 13,472 39,034 31,434
Net Book Value $ 437,633 476,667 $ 437,633   $ 437,633  
Non-compete 2 | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 77 months   77 months   77 months  
Original Cost $ 10,000   $ 10,000   $ 10,000  
Accumulated Amortization and Impairment 1,992 1,042 326 259 950 605
Net Book Value $ 8,008 8,958 $ 8,008   $ 8,008  
Backlog            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 8 months 12 days   8 months 12 days   8 months 12 days  
Backlog | Tribute Contracting & Consultants acquisition            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 5 months   5 months   5 months  
Original Cost $ 1,320,000   $ 1,320,000   $ 1,320,000  
Accumulated Amortization and Impairment 1,044,932 550,000 164,932 $ 34,198 494,932 $ 79,795
Net Book Value $ 275,068 770,000 $ 275,068   $ 275,068  
Backlog | Rigney Digital Systems            
GOODWILL AND INTANGIBLE ASSETS            
Remaining Life 15 months   15 months   15 months  
Original Cost $ 260,600   $ 260,600   $ 260,600  
Accumulated Amortization and Impairment 97,722   32,574   97,722  
Net Book Value $ 162,878 $ 260,600 $ 162,878   $ 162,878