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Note 10 - Leases - Rental Equipment (Details) - Equipment [Member] - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Rental equipment, primarily wireless recording equipment	$ 45,289	$ 63,111
Accumulated depreciation and impairment	(37,169)	(48,925)
Property, Plant, and Equipment, Lessor Asset under Operating Lease, after Accumulated Depreciation	$ 8,120	$ 14,186

X

- Definition

Amount of accumulated depreciation of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

+ References

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X

- Definition

Amount, before accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

+ References

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X

- Definition

Amount, after accumulated depreciation, of lessor's underlying asset for which right to use has been conveyed to lessee under operating lease.

+ References

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