CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income available to common shareholders	$ 568,739	$ 4,336,489
Adjustments to reconcile net income available to common shareholders to net cash flows from (used in) operating activities:
Depreciation	9,328,325	8,957,478
Amortization	506,875	537,701
(Gain) loss on sales of property and equipment	(90,237)	(177,467)
Equity-based compensation	2,551,447	2,489,781
Deferred income taxes	(326,246)	(543,644)
Provision for credit losses	53,549	(64,705)
Inventory allowance	(320,305)	62,349
Change in fair value of contingent consideration	(1,453,452)	(124,992)
Change in fair value of mandatorily redeemable non-controlling interest	877,409	1,040,968
Changes in assets and liabilities, net of effects of business combinations:
Accounts receivable	(2,579,336)	5,900,380
Inventories	(5,703,098)	29,003,285
Prepaid and other current assets	616,232	2,227,044
Other assets	(278,800)	(38,193)
Accounts payable	16,009,694	11,397,485
Accrued expenses and accrued wages, salaries and bonuses	(1,949,997)	1,221,322
Other long-term liabilities	278,968	511,231
Income taxes payable and receivable	577,659	1,135,839
Net cash flows from (used in) operating activities	18,667,426	67,872,351
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(9,003,396)	(20,429,805)
Proceeds from sales of property and equipment	113,214	416,546
Net cash flows from (used in) investing activities	(15,021,709)	(42,108,695)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under revolving credit facilities	2,588,656,781	2,517,192,464
Repayments under revolving credit facilities	(2,583,124,010)	(2,536,358,449)
Principal payments on long-term debt	(5,260,092)	(3,765,153)
Repurchase of common stock	(1,133,095)
Dividends on common stock	(645,462)	(630,362)
Redemption and distributions to non-controlling interest	(2,068,014)	(2,320,299)
Net cash flows from (used in) financing activities	(3,573,892)	(25,881,799)
Net change in cash	71,825	(118,143)
Cash, beginning of period	672,788	790,931
Cash, end of period	744,613	672,788
Supplemental disclosure of cash flow information:
Cash paid during the period for interest, net of amounts capitalized	10,522,689	9,985,313
Cash paid during the period for income taxes, net of refunds	724,088	2,520,127
Supplemental disclosure of non-cash information:
Equipment acquisitions classified in accounts payable	41,384	1,016,948
Purchase of property financed with promissory note		8,000,000
Portion of Burklund acquisition financed with promissory note		3,900,000
Portion of Burklund acquisition financed with contingent consideration		1,578,444
Issuance of common stock in connection with the vesting of equity-based awards		1,296,372
Arrowrock Supply
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition	$ (6,131,527)
Burklund
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition		(15,464,397)
Richmond Master
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition		$ (6,631,039)