SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) Segment	Dec. 31, 2024 USD ($)	Sep. 30, 2025 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Number of reportable segments | Segment		4
Bonuses approved and paid	$ 0	$ 1,100,000	$ 0
Share-based compensation		264,000	216,000
Unbilled receivables	$ 5,925,000	6,960,000	5,925,000
Unamortized debt issuance costs				$ 0
Shipping and handling costs		1,469,000	0
Marketing and promotion		3,957,000	3,588,000
Goodwill, impairment loss		$ 0	$ 0
KBS Builders, Inc. (KBS)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Standard warranty period		12 months
EdgeBuilder, Inc. (EdgeBuilder)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Standard warranty period		25 years
Timber Technologies Solutions, Inc. (TT)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Standard warranty period		50 years
Customer Concentration Risk | Top 25 Clients | Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage		73.00%	85.00%
Customer Concentration Risk | Three Customers | Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage			46.00%
Customer Concentration Risk | One Customer | Revenue
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage		23.00%
Customer Concentration Risk | One Customer | Accounts Receivable
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Concentration risk, percentage		14.00%	24.00%