Percentage of interest rate on notes receivable.

No definition available.

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- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

No definition available.

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- Definition

Period of time between issuance and maturity of notes receivable, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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- Definition

Amount of interest income from net investment in sales-type lease.

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- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type lease.

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Note 4 - Trade Accounts and Financing Receivables (Details Textual) - USD ($)		6 Months Ended	12 Months Ended
	Aug. 30, 2024	Mar. 31, 2026	Sep. 30, 2025	Jun. 30, 2026	Jan. 31, 2026	Aug. 31, 2024
Financing Receivable, before Allowance for Credit Loss			$ 24,451,000	$ 22,271,000
Financing Receivable, Allowance for Credit Loss			914,000	786,000
Promissory Notes, Matures January 2027 [Member]
Financing Receivable, before Allowance for Credit Loss			19,149,000	$ 21,296,000	$ 300,000
Notes Receivable, Interest Rate, Stated Percentage					10.00%
Notes Receivable, Periodic Payment					$ 28,000
Promissory Notes, Matures January 2029 [Member]
Financing Receivable, before Allowance for Credit Loss					$ 2,700,000
Notes Receivable, Interest Rate, Stated Percentage					8.75%
Notes Receivable, Periodic Payment					$ 100,000
Three Promissory Notes [Member]
Financing Receivable, before Allowance for Credit Loss		$ 7,900,000
Notes Receivable, Interest Rate, Stated Percentage		8.75%
Notes Receivable, Periodic Payment		$ 300,000
Two Promissory Notes [Member]
Financing Receivable, before Allowance for Credit Loss			$ 7,500,000
Notes Receivable, Interest Rate, Stated Percentage			8.75%
Notes Receivable, Periodic Payment			$ 200,000
Wireless Seismic Equipment Customer [Member]
Sales-type Lease, Lease Receivable		1,000,000
Sales-type Lease, Interest Income		$ 6,000	$ 600,000
Promissory Note for Sale of Product [Member]
Financing Receivable, before Allowance for Credit Loss						$ 9,400,000
Notes Receivable, Interest Rate, Stated Percentage						9.50%
Notes Receivable, Periodic Payment						$ 900,000
Promissory Note [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| Subsidiary, Oil and Gas Product Manufacturing Operations in the Russian Federation [Member]
Financing Receivable, before Allowance for Credit Loss	$ 3,500,000
Notes Receivable, Interest Rate, Stated Percentage	5.00%
Notes Receivable, Periodic Payment	$ 37,000
Notes Receivable, Term (Year)	10 years
Financing Receivable, Allowance for Credit Loss	$ 900,000