XML 132 R58.htm IDEA: XBRL DOCUMENT
v3.25.1

INVENTORIES - Schedule of Reserve Rollforward (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Inventory, Reserve [Roll Forward] |  |
Beginning balance | $ (2,553) | $ (2,527)
Accrual | (347) | (404)
Reduction due to inventory sold | 89 | 378
Reduction due to permanent markdowns | 2,464 | 0
Reserves for excess, obsolete, and slow-moving inventories | $ (347) | $ (2,553)

X
- Definition Inventory, Reserve + References No definition available. + Details
Name: | efoi_InventoryReserveRollForward
Namespace Prefix: | efoi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Inventory Valuation Reserves, Permanent Markdowns + References No definition available. + Details
Name: | efoi_InventoryValuationReservesPermanentMarkdowns
Namespace Prefix: | efoi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inventory Valuation Reserves, Provision (Accrual) + References No definition available. + Details
Name: | efoi_InventoryValuationReservesProvisionAccrual
Namespace Prefix: | efoi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Inventory Valuation Reserves, Raw Materials + References No definition available. + Details
Name: | efoi_InventoryValuationReservesRawMaterials
Namespace Prefix: | efoi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Inventory Valuation Reserves, Sales Of Inventory + References No definition available. + Details
Name: | efoi_InventoryValuationReservesSalesOfInventory
Namespace Prefix: | efoi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration