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PROPERTY AND EQUIPMENT - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment at cost	$ 826	$ 1,461
Less: accumulated depreciation	(736)	(1,349)
Property and equipment, net	$ 90	112
Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	2 years
Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	15 years
Equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 490	1,061
Equipment | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	3 years
Equipment | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	15 years
Tooling
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 171	190
Tooling | Minimum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	2 years
Tooling | Maximum
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	5 years
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, useful life (in years)	5 years
Property and equipment, gross	$ 41	41
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	124	141
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0	$ 28

X

- Definition

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)
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-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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