Leases.

No definition available.

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- Definition

Lessee operating lease extended date of maturity month and year.

+ References

No definition available.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and lease liability.

+ References

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Term of lessor's sales-type lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Net rentable area for properties owned.

+ References

No definition available.

+ Details

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- Definition

Amount of operating lease expense. Excludes sublease income.

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- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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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- Definition

Present value expected to be derived from underlying asset following end of lease term not guaranteed by lessee or other third party unrelated to lessor.

+ References

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LEASES (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
LEASES (Details) $ in Thousands	Sep. 30, 2026 USD ($) ft²	Sep. 30, 2025 USD ($)	Sep. 30, 2026 USD ($) ft²	Sep. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
LEASES
Operating lease, rent expense, net	$ 2,400	$ 2,200	$ 7,200	$ 6,600
Operating lease, weighted-average remaining lease term	6 years		6 years
Operating lease, weighted-average discount rate	11.80%		11.80%
Carrying amount of lease receivables	$ 300		$ 300		$ 300
Unguaranteed residual assets	0		0
Operating lease income	100	100	200	200
Property and equipment, net	$ 3,182		$ 3,182		$ 4,466
NeuroStar Advanced Therapy Systems \| Minimum
LEASES
Lessor sales-type lease, Term	2 years		2 years
NeuroStar Advanced Therapy Systems \| Maximum
LEASES
Lessor sales-type lease, Term	4 years		4 years
Headquarters and Office Equipment, Including Copiers
LEASES
Area of lease facility \| ft²	32,000		32,000
Lessee, operating lease, extended maturity period					2033-06
Rental Equipment
LEASES
Property and equipment, net	$ 100		$ 100		$ 100
Rental equipment depreciation expense	$ 10	$ 10	$ 50	$ 50
Charlotte, North Carolina
LEASES
Area of lease facility \| ft²	9,600		9,600
Description of option to extend lease facility			true
Lessee, operating lease, renewal term	1 year		1 year
Treatment Centers \| Maximum
LEASES
Lessee, Operating Lease, Term of Contract	8 years		8 years