Quarterly report [Sections 13 or 15(d)]

Acquisitions - Additional Information (Details)

Acquisitions - Additional Information (Details)						3 Months Ended		9 Months Ended
Acquisitions - Additional Information (Details)	Jun. 10, 2024 USD ($)	May 24, 2024 USD ($)	May 15, 2024 USD ($) option	Nov. 30, 2023 USD ($) Location installment	Oct. 13, 2023 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Goodwill						$ 61,152,000		$ 61,152,000		$ 61,152,000
Loss on disposition of Johnson						$ 0	$ 301,000	0	$ 301,000
Disposal Group, Not Discontinued Operations \| Johnson Floor & Home
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Loss on disposition of Johnson		$ 301,000
Midwest Grinding Acquisition
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total consideration for acquisition	$ 600,000
Building acquired	738,000
Business combination, transaction value	1,001,000
Net purchase price	1,000,000
Total consideration								0	1,000,000
Goodwill	0
Midwest Grinding Acquisition \| Building
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Building acquired	$ 400,000
Central Steel Acquisition
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total consideration for acquisition			$ 11,758,000
Building acquired			5,034,000
Business combination, transaction value			15,313,000
Net purchase price			13,880,000
Total consideration			10,700,000					$ 0	$ 10,474,000
Note amount			1,100,000
Additional consideration			300,000
Contingent consideration			$ 2,000,000
Earn-out period (in years)			5 years
Advance made on existing credit facility			$ 3,300,000
Purchase price for equity interests			0
Goodwill			2,906,000
Holdback			122,000
Central Steel Acquisition \| Broadview, Illinois Sale Lease Back Transaction
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Sale leaseback transaction, net book value			8,300,000
Net proceeds received			7,900,000
Seller fees incurred			$ 400,000
Lease term (in years)			20 years
Lessee, renewal option \| option			2
Lessee, renewal term (in years)			5 years
Rent escalation per annum (as percent)			2.00%
Gain recognized on sale			$ 0
Central Steel Acquisition \| Broadview, Illinois Sale Lease Back Transaction \| Louisville Lease Agreement
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Base rent			$ 58,795
Johnson Floor & Home
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total consideration for acquisition				$ 500,000
Building acquired				157,000
Business combination, transaction value				4,159,000
Net purchase price				2,001,000
Note amount				1,200,000
Contingent consideration				301,000
Goodwill				$ 0
Number of installment \| installment				3
Installments due				$ 400,000
Accrue interest (as percent)				6.00%
Johnson Floor & Home \| Tulsa
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Number of location \| Location				4
Johnson Floor & Home \| Joplin
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Number of location \| Location				1
Carpet Remnant Outlet, Inc
Business Combination, Goodwill, Reportable Segment Assignment [Line Items]
Total consideration for acquisition					$ 1,034,000
Building acquired					261,000
Business combination, transaction value					3,491,000
Net purchase price					1,423,000
Contingent consideration					89,000
Goodwill					89,000
Holdback					$ 300,000