DEBT - Streeterville Notes (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Jan. 23, 2024	Jan. 18, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Apr. 21, 2022
Debt Instrument [Line Items]
Gain on debt extinguishment			$ 0	$ 0	$ 0	$ 187
2022 Streeterville Note
Debt Instrument [Line Items]
Debt instrument, face amount							$ 2,000
Required cash payments		$ 1,000
Number of shares of common stock, equity exchange		94,440
Gain on debt extinguishment	$ 187

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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ENERGY FOCUS, INC/DE 10-Q