$EFOI
ENERGY FOCUS, INC/DE Stock $efoi

$efoi Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000162828024036912 Filed on August 13, 2024

Income Statement

Concept	2024 Q3	2024 Q2	2023 Q2
Revenue	$1.196M	$1.553M	$1.055M
YoY Change	-10.68%	47.2%	-28.72%
Cost Of Revenue	$1.008M	$1.427M	$876.0K
YoY Change	-27.33%	62.9%	-36.11%
Gross Profit	$188.0K	$126.0K	$179.0K
YoY Change	-491.67%	-29.61%	64.22%
Gross Profit Margin	15.72%	8.11%	16.97%
Selling, General & Admin	$449.0K	$543.0K	$1.132M
YoY Change	-37.03%	-52.03%	-42.36%
% of Gross Profit	238.83%	430.95%	632.4%
Research & Development	$137.0K	$140.0K	$147.0K
YoY Change	-3.52%	-4.76%	-58.36%
% of Gross Profit	72.87%	111.11%	82.12%
Depreciation & Amortization	$9.000K	$11.00K	$8.000K
YoY Change	12.5%	37.5%	-81.4%
% of Gross Profit	4.79%	8.73%	4.47%
Operating Expenses	$586.0K	$683.0K	$1.279M
YoY Change	-31.46%	-46.6%	-44.8%
Operating Profit	-$398.0K	-$557.0K	-$1.100M
YoY Change	-55.92%	-49.36%	-50.18%
Interest Expense	$0.00	$0.00	$69.00K
YoY Change	-100.0%	-100.0%	-73.46%
% of Operating Profit
Other Income/Expense, Net	-$7.000K	-$1.000K	-$14.00K
YoY Change	-30.0%	-92.86%	-22.22%
Pretax Income	-$316.0K	-$554.0K	-$1.167M
YoY Change	-66.38%	-52.53%	-53.06%
Income Tax
% Of Pretax Income
Net Earnings	-$316.0K	-$554.0K	-$1.167M
YoY Change	-66.53%	-52.53%	-53.06%
Net Earnings / Revenue	-26.42%	-35.67%	-110.62%
Basic Earnings Per Share
Diluted Earnings Per Share	-$0.06	-$0.12	-$0.42
COMMON SHARES
Basic Shares Outstanding	5.261M shares	4.726M shares	19.24M shares
Diluted Shares Outstanding	5.261M shares	4.785M shares	2.766M shares

Balance Sheet

Concept	2024 Q3	2024 Q2	2023 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.250M	$1.557M	$1.946M
YoY Change	-48.35%	-19.99%	35.23%
Cash & Equivalents	$819.0K	$1.105M	$1.316M
Short-Term Investments	$431.0K	$452.0K	$630.0K
Other Short-Term Assets	$215.0K	$219.0K	$217.0K
YoY Change	13.16%	0.92%	-74.38%
Inventory	$3.721M	$3.791M	$5.304M
Prepaid Expenses
Receivables	$745.0K	$651.0K	$841.0K
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$5.931M	$6.218M	$8.308M
YoY Change	-29.03%	-25.16%	-21.69%
LONG-TERM ASSETS
Property, Plant & Equipment	$507.0K	$858.0K	$1.094M
YoY Change	-51.71%	-21.57%	-42.45%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets	$507.0K	$858.0K	$1.094M
YoY Change	-51.53%	-21.57%	-42.45%
TOTAL ASSETS
Total Short-Term Assets	$5.931M	$6.218M	$8.308M
Total Long-Term Assets	$507.0K	$858.0K	$1.094M
Total Assets	$6.438M	$7.076M	$9.402M
YoY Change	-31.53%	-24.74%	-24.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.367M	$2.113M	$2.908M
YoY Change	-8.96%	-27.34%	122.15%
Accrued Expenses	$573.0K	$771.0K	$861.0K
YoY Change	-27.47%	-10.45%	-33.15%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$284.0K
YoY Change		-100.0%	-85.66%
Long-Term Debt Due	$0.00	$0.00	$1.335M
YoY Change	-100.0%	-100.0%	-27.45%
Total Short-Term Liabilities	$2.940M	$2.884M	$5.388M
YoY Change	-36.83%	-46.47%	-16.05%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Other Long-Term Liabilities	$291.0K	$670.0K	$915.0K
YoY Change	-66.16%	-26.78%	-19.24%
Total Long-Term Liabilities	$291.0K	$670.0K	$915.0K
YoY Change	-66.16%	-26.78%	-52.37%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.940M	$2.884M	$5.388M
Total Long-Term Liabilities	$291.0K	$670.0K	$915.0K
Total Liabilities	$3.231M	$3.554M	$6.303M
YoY Change	-41.37%	-43.61%	-24.42%
SHAREHOLDERS EQUITY
Retained Earnings	-$154.6M	-$154.3M	-$151.5M
YoY Change	1.4%	1.82%	5.19%
Common Stock	$157.8M	$157.8M	$154.6M
YoY Change	0.93%	2.06%	4.32%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.207M	$3.522M	$3.099M
YoY Change
Total Liabilities & Shareholders Equity	$6.438M	$7.076M	$9.402M
YoY Change	-31.53%	-24.74%	-24.84%

Cashflow Statement

Concept	2024 Q3	2024 Q2	2023 Q2
OPERATING ACTIVITIES
Net Income	-$316.0K	-$554.0K	-$1.167M
YoY Change	-66.53%	-52.53%	-53.06%
Depreciation, Depletion And Amortization	$9.000K	$11.00K	$8.000K
YoY Change	12.5%	37.5%	-81.4%
Cash From Operating Activities	-$267.0K	-$718.0K	-$152.0K
YoY Change	-74.2%	372.37%	-94.25%
INVESTING ACTIVITIES
Capital Expenditures	$19.00K		$0.00
YoY Change	-29.63%		-100.0%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities	-$19.00K		$0.00
YoY Change	-29.63%		-100.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$0.00	$851.0K	$1.167M
YoY Change	-100.0%	-27.08%	-65.24%
NET CHANGE
Cash From Operating Activities	-$267.0K	-$718.0K	-$152.0K
Cash From Investing Activities	-$19.00K		$0.00
Cash From Financing Activities	$0.00	$851.0K	$1.167M
Net Change In Cash	-$286.0K	$133.0K	$1.015M
YoY Change	-176.27%	-86.9%	42.36%
FREE CASH FLOW
Cash From Operating Activities	-$267.0K	-$718.0K	-$152.0K
Capital Expenditures	$19.00K		$0.00
Free Cash Flow	-$286.0K		-$152.0K
YoY Change	-73.07%		-94.25%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.142857
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	876447	shares
CY2024Q2	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	876447	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	4348690	shares
CY2024Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4000	usd
CY2024Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	1000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-554000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.42
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4785000	shares
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	-477000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	23000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	3099000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-554000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-1167000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-972000	usd
CY2024Q2	us-gaap	Depreciation Depreciation	11000	usd
CY2023Q2	us-gaap	Depreciation Depreciation	8000	usd
	us-gaap	Depreciation Depreciation	19000	usd
	us-gaap	Depreciation Depreciation	16000	usd
CY2024Q2	us-gaap	Share Based Compensation ShareBasedCompensation	0	usd
CY2023Q2	us-gaap	Share Based Compensation ShareBasedCompensation	23000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	1000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	49000	usd
CY2024Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-12000	usd
CY2023Q2	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	21000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-76000	usd
	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	50000	usd
CY2024Q2	us-gaap	Inventory Write Down InventoryWriteDown	158000	usd
CY2023Q2	us-gaap	Inventory Write Down InventoryWriteDown	-107000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	225000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	-130000	usd
CY2024Q2	efoi	Increase Decrease In Provision For Warranties IncreaseDecreaseInProvisionForWarranties	1000	usd
CY2023Q2	efoi	Increase Decrease In Provision For Warranties IncreaseDecreaseInProvisionForWarranties	3000	usd
	efoi	Increase Decrease In Provision For Warranties IncreaseDecreaseInProvisionForWarranties	-33000	usd
	efoi	Increase Decrease In Provision For Warranties IncreaseDecreaseInProvisionForWarranties	-37000	usd
CY2024Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2023Q2	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	47000	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	5000	usd
	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	109000	usd
CY2023Q2	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-93000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1197000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	403000	usd
CY2024Q2	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-448000	usd
CY2023Q2	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	259000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-423000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-303000	usd
CY2024Q2	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	16000	usd
CY2023Q2	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-454000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	59000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-460000	usd
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	4348690	shares
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	2955000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	16000	usd
CY2023Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	14000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-972000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-2500000	usd
CY2023Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.42
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-1333000	usd
CY2022	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://fasb.org/us-gaap/2024#AccountingStandardsUpdate201613Member
CY2023Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.142857
CY2023Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.142857
CY2023Q2	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio1 StockholdersEquityNoteStockSplitConversionRatio1	0.142857
CY2024Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2023Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	187000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2023Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	16000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	2000	usd
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	21000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-1167000	usd
CY2024Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.12
CY2024Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.12
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4785000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2766000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2766000	shares
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	3051000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	450000	usd
CY2024Q1	efoi	Conversion Of Advanced Capital Contribution To Common Stock ConversionOfAdvancedCapitalContributionToCommonStock	141000	usd
CY2024Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	-418000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	3225000	usd
CY2024Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	851000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-554000	usd
CY2024Q2	us-gaap	Stockholders Equity StockholdersEquity	3522000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	3025000	usd
CY2023Q1	efoi	Stock Issued During Period Value Exchange Transaction StockIssuedDuringPeriodValueExchangeTransaction	1716000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1304000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Stock Split AdjustmentsToAdditionalPaidInCapitalStockSplit	0	usd
CY2023Q2	efoi	Stock Issued During Period Value Reverse Stock Splits StockIssuedDuringPeriodValueReverseStockSplits	-16000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-1167000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-2500000	usd
CY2024Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2023Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	187000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2024Q2	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	243000	usd
CY2024Q2	efoi	Increase Decrease In Vendor Prepayments IncreaseDecreaseInVendorPrepayments	87000	usd
CY2023Q2	efoi	Increase Decrease In Vendor Prepayments IncreaseDecreaseInVendorPrepayments	0	usd
	efoi	Increase Decrease In Vendor Prepayments IncreaseDecreaseInVendorPrepayments	-15000	usd
	efoi	Increase Decrease In Vendor Prepayments IncreaseDecreaseInVendorPrepayments	23000	usd
CY2024Q2	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1000	usd
CY2023Q2	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-174000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-26000	usd
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-130000	usd
CY2024Q2	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	11000	usd
CY2023Q2	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	22000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	24000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	44000	usd
CY2024Q2	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-164000	usd
CY2023Q2	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	1015000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	196000	usd
	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	1165000	usd
CY2024Q2	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-718000	usd
CY2023Q2	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-152000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-776000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1335000	usd
CY2024Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	851000	usd
CY2023Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1304000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	851000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	4329000	usd
CY2024Q2	efoi	Payments For Offering Costs Associated With Reverse Stock Split PaymentsForOfferingCostsAssociatedWithReverseStockSplit	0	usd
CY2023Q2	efoi	Payments For Offering Costs Associated With Reverse Stock Split PaymentsForOfferingCostsAssociatedWithReverseStockSplit	16000	usd
	efoi	Payments For Offering Costs Associated With Reverse Stock Split PaymentsForOfferingCostsAssociatedWithReverseStockSplit	0	usd
	efoi	Payments For Offering Costs Associated With Reverse Stock Split PaymentsForOfferingCostsAssociatedWithReverseStockSplit	16000	usd
CY2024Q2	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
CY2023Q2	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-121000	usd
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	0	usd
	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-1214000	usd
CY2024Q2	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	851000	usd
CY2023Q2	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1167000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-149000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2599000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	133000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1015000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-925000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1264000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	972000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	301000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2030000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	52000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1105000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1316000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1105000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1316000	usd
CY2024Q2	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2023Q2	us-gaap	Interest Paid Net InterestPaidNet	10000	usd
	us-gaap	Interest Paid Net InterestPaidNet	5000	usd
	us-gaap	Interest Paid Net InterestPaidNet	70000	usd
	us-gaap	Nature Of Operations NatureOfOperations	NATURE OF<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">OPERATIONS</span><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Energy Focus, Inc. (the “Company”) engages primarily in the design, development, manufacturing, marketing and sale of energy-efficient lighting systems and controls. We develop, market and sell high quality light-emitting diode (“LED”) lighting and controls products in the commercial market and military maritime market (“MMM”). Our mission is to enable our customers to run their facilities with greater energy efficiency; and productivity, and increased human health and wellness through advanced LED retrofit solutions. Our goal is to be the human wellness lighting and LED technology and market leader for the most demanding applications where performance, quality, value, environmental impact and health are considered paramount. We specialize in LED lighting retrofit by replacing fluorescent, high-intensity discharge lighting and other types of lamps in institutional buildings for primarily indoor lighting applications with our innovative, high-quality commercial and military-grade tubular LED (“TLED”) products, as well as other LED and lighting control products for commercial applications. We are also evaluating adjacent technologies, including Gallium Nitride (“GaN”) based power supplies and additional market opportunities for energy solution products that support sustainability in our existing channels.</span></div>
	us-gaap	Net Income Loss NetIncomeLoss	-1000000.0	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-4300000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-2400000	usd
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of estimates</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in accordance with U.S. GAAP requires management to make estimates and assumptions that affect the amounts in our financial statements and accompanying notes. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events and actions that may impact us in the future, actual results may vary from </span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">the estimates. Estimates include, but are not limited to, the establishment of reserves for accounts receivable, sales returns, inventory obsolescence and warranty claims, the useful lives of property and equipment, valuation allowance for net deferred taxes, and stock-based compensation. The Company began using estimates for its calculation of allowance for doubtful accounts receivable under Accounting Standards Codification (“ASC”) 326, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Measurement of Credit Losses on Financial Instruments </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(“CECL”), commencing in 2023. In addition, estimates and assumptions associated with the determination of the fair value of financial instruments and evaluation of long-lived assets for impairment requires considerable judgment. Actual results could differ from those estimates and such differences could be material.</span></div>
CY2024Q2	us-gaap	Revenues Revenues	1553000	usd
CY2023Q2	us-gaap	Revenues Revenues	1055000	usd
	us-gaap	Revenues Revenues	2386000	usd
	us-gaap	Revenues Revenues	1985000	usd
	efoi	Contract With Customer Payment Terms ContractWithCustomerPaymentTerms	P30D
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	26000	usd
CY2023Q1	efoi	Accounts Receivable Allowance For Credit Loss Reserve AccountsReceivableAllowanceForCreditLossReserve	12000	usd
CY2023Q1	us-gaap	Revenue Recognition Sales Returns Reserve For Sales Returns RevenueRecognitionSalesReturnsReserveForSalesReturns	18000	usd
CY2023Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	58000	usd
CY2023Q2	efoi	Accounts Receivable Allowance For Credit Loss Reserve AccountsReceivableAllowanceForCreditLossReserve	3000	usd
CY2023Q2	us-gaap	Revenue Recognition Sales Returns Reserve For Sales Returns RevenueRecognitionSalesReturnsReserveForSalesReturns	18000	usd
CY2023Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	79000	usd
CY2024Q2	us-gaap	Net Income Loss NetIncomeLoss	-554000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-1167000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-972000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-2500000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4785000	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4785000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2766000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2766000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	4609000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	4609000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	2539000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	2539000	shares
	efoi	Product Warranty Number Of Years For Product Sold ProductWarrantyNumberOfYearsForProductSold	P20Y
CY2024Q1	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	116000	usd
CY2023Q1	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	143000	usd
CY2023Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	150000	usd
CY2022Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	183000	usd
CY2024Q2	efoi	Standard Product Warranty Accrual Increase Decrease For Warranties Issued StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued	1000	usd
CY2023Q2	efoi	Standard Product Warranty Accrual Increase Decrease For Warranties Issued StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued	3000	usd
	efoi	Standard Product Warranty Accrual Increase Decrease For Warranties Issued StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued	2000	usd
	efoi	Standard Product Warranty Accrual Increase Decrease For Warranties Issued StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesIssued	2000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-35000	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-39000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	117000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	146000	usd
CY2024Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	117000	usd
CY2023Q2	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	146000	usd
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Certain risks and concentrations</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have certain customers whose net sales individually represented 10% or more of our total net sales, or whose net trade accounts receivable balance individually represented 10% or more of our total net trade accounts receivable; we have certain suppliers, which individually represent 10% or more of our total purchases, or whose trade accounts payable balance individually represented 10% or more of our total trade accounts payable balance, as follows:</span></div><div style="margin-bottom:10pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">For the three months ended June 30, 2024, two customers accounted for an aggregate of approximately 54% net sales. For the three months ended June 30, 2023, three customers accounted for approximately 42% net sales, with sales to our primary shipbuilders for the U.S. Navy accounting for approximately 26% of net sales, and sales to our primary distributor for the U.S. Navy accounting for approximately 16% of net sales. </span></div><div style="margin-bottom:10pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">For the six months ended June 30, 2024, two customers accounted for an aggregate of approximately 40% net sales. For the six months ended June 30, 2023, two customers accounted for approximately 34% net sales, with sales to our primary shipbuilders for the U.S. Navy accounting for approximately 23% of net sales, and sales to our primary distributor for the U.S. Navy accounting for approximately 11% of net sales. </span></div><div style="margin-bottom:10pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">At June 30, 2024, three customers accounted for an aggregate of approximately 85% of net trade accounts receivable.</span></div><div style="margin-bottom:10pt;padding-left:36pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">At December 31, 2023, one distributor for the U.S. Department of Defense accounted for 74% of our net trade accounts receivable.</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We require substantial amounts of purchased materials from selected vendors. With specific materials, all of our purchases are from a single vendor. The availability and costs of materials may be subject to change due to, among other things, new laws or regulations, suppliers’ allocation to other purchasers, interruptions in production by suppliers, global health issues such as the COVID-19 pandemic, and changes in exchange rates and worldwide price and demand levels. Our inability to obtain adequate supplies of materials for our products at favorable prices could have a material adverse effect on our business, financial position, or results of operations by decreasing our profit margins and by hindering our ability to deliver products to our customers on a timely basis. Additionally, certain vendors require advance deposits prior to the fulfillment of orders. Deposits paid on unfulfilled orders totaled $0.5 million and $0.8 million at June 30, 2024 and December 31, 2023, respectively.</span></div><div style="margin-bottom:10pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">We have certain vendors who individually represented 10% or more of our total expenditures, or whose net trade accounts payable balance individually represented 10% or more of our total net trade accounts payable, as follows:</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:14.5pt">One supplier (the latter, a related party, see Note 10 “Related Party Transactions” regarding this related party) accounted for more than 10% of our total expenditures for the three and six months ended June 30, 2024. No suppliers accounted for more than 10% of our total expenditures for the three and six months ended June 30, 2023. </span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:14.5pt">At June 30, 2024, two offshore suppliers accounted for approximately 32% and 40% (the latter, a related party, see Note 10 “Related Party Transactions”) of our trade accounts payable balance, respectively. At December 31, 2023, two offshore suppliers accounted for approximately 16% and 57% the latter a related party, see Note 10 “Related Party Transactions”) of our trade accounts payable balance, respectively.</span></div>
CY2024Q2	us-gaap	Deposits Assets Current DepositsAssetsCurrent	500000	usd
CY2023Q4	us-gaap	Deposits Assets Current DepositsAssetsCurrent	800000	usd
CY2024Q2	efoi	Number Of Offshore Supplier NumberOfOffshoreSupplier	2	supplier
CY2023Q4	efoi	Number Of Offshore Supplier NumberOfOffshoreSupplier	2000	supplier
CY2024Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	3250000	usd
CY2023Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	2189000	usd
CY2024Q2	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3230000	usd
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	4803000	usd
CY2024Q2	efoi	Inventory Permanent Markdowns InventoryPermanentMarkdowns	-2464000	usd
CY2023Q4	efoi	Inventory Permanent Markdowns InventoryPermanentMarkdowns	0	usd
CY2024Q2	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	225000	usd
CY2023Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2553000	usd
CY2024Q2	us-gaap	Inventory Net InventoryNet	3791000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	4439000	usd
CY2024Q1	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2619000	usd
CY2023Q1	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2507000	usd
CY2023Q4	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2553000	usd
CY2022Q4	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2527000	usd
CY2024Q2	efoi	Inventory Valuation Reserves Provision Accrual InventoryValuationReservesProvisionAccrual	-70000	usd
CY2023Q2	efoi	Inventory Valuation Reserves Provision Accrual InventoryValuationReservesProvisionAccrual	70000	usd
	efoi	Inventory Valuation Reserves Provision Accrual InventoryValuationReservesProvisionAccrual	-225000	usd
	efoi	Inventory Valuation Reserves Provision Accrual InventoryValuationReservesProvisionAccrual	14000	usd
CY2024Q2	efoi	Inventory Valuation Reserves Sales Of Inventory InventoryValuationReservesSalesOfInventory	0	usd
CY2023Q2	efoi	Inventory Valuation Reserves Sales Of Inventory InventoryValuationReservesSalesOfInventory	37000	usd
	efoi	Inventory Valuation Reserves Sales Of Inventory InventoryValuationReservesSalesOfInventory	89000	usd
	efoi	Inventory Valuation Reserves Sales Of Inventory InventoryValuationReservesSalesOfInventory	113000	usd
CY2024Q2	efoi	Inventory Valuation Reserves Permanent Markdowns InventoryValuationReservesPermanentMarkdowns	2464000	usd
CY2023Q2	efoi	Inventory Valuation Reserves Permanent Markdowns InventoryValuationReservesPermanentMarkdowns	0	usd
	efoi	Inventory Valuation Reserves Permanent Markdowns InventoryValuationReservesPermanentMarkdowns	2464000	usd
	efoi	Inventory Valuation Reserves Permanent Markdowns InventoryValuationReservesPermanentMarkdowns	0	usd
CY2024Q2	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	225000	usd
CY2023Q2	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2400000	usd
CY2024Q2	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	225000	usd
CY2023Q2	efoi	Inventory Valuation Reserves Raw Materials InventoryValuationReservesRawMaterials	2400000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	1458000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	1461000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	1369000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	1349000	usd
CY2024Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	89000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	112000	usd
CY2024Q2	us-gaap	Depreciation Depreciation	11000	usd
CY2023Q2	us-gaap	Depreciation Depreciation	8000	usd
	us-gaap	Depreciation Depreciation	19000	usd
	us-gaap	Depreciation Depreciation	16000	usd
CY2024Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2024Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	113000	usd
CY2023Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	115000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	210000	usd
	us-gaap	Operating Lease Cost OperatingLeaseCost	232000	usd
CY2024Q2	efoi	Operating Lease Cost Net Of Sublease Income OperatingLeaseCostNetOfSubleaseIncome	113000	usd
CY2023Q2	efoi	Operating Lease Cost Net Of Sublease Income OperatingLeaseCostNetOfSubleaseIncome	115000	usd
	efoi	Operating Lease Cost Net Of Sublease Income OperatingLeaseCostNetOfSubleaseIncome	210000	usd
	efoi	Operating Lease Cost Net Of Sublease Income OperatingLeaseCostNetOfSubleaseIncome	232000	usd
CY2024Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	769000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	899000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	915000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1021000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	378000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	386000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	393000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1157000	usd
CY2024Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	242000	usd
CY2024Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	915000	usd
CY2024Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	93000	usd
CY2023Q2	us-gaap	Operating Lease Payments OperatingLeasePayments	94000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	187000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	189000	usd
CY2024Q2	us-gaap	Notes Payable Current NotesPayableCurrent	0	usd
CY2023Q4	us-gaap	Notes Payable Current NotesPayableCurrent	1323000	usd
CY2024Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	0	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	450000	usd
CY2024Q2	us-gaap	Debt Current DebtCurrent	0	usd
CY2023Q4	us-gaap	Debt Current DebtCurrent	1773000	usd
CY2020Q3	efoi	Debt Instrument Number Of Credit Facilities DebtInstrumentNumberOfCreditFacilities	2	creditfacility
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	187000	usd
CY2023Q4	efoi	Advanced Capital Contribution Current AdvancedCapitalContributionCurrent	450000	usd
CY2023Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	6300000	usd
CY2022Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	9200000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	900000	usd
CY2023Q2	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	0.0001
CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2020Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q1	efoi	Percentage Of Series A Preferred Stock Eligible To Vote PercentageOfSeriesAPreferredStockEligibleToVote	0.01582
CY2024Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	876447	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	876447	shares
CY2024Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	876447	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	876447	shares
CY2024Q2	us-gaap	Convertible Preferred Stock Shares Issued Upon Conversion ConvertiblePreferredStockSharesIssuedUponConversion	25000	shares
CY2023Q4	us-gaap	Convertible Preferred Stock Shares Issued Upon Conversion ConvertiblePreferredStockSharesIssuedUponConversion	25000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	0	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	0	shares
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised	0	shares
	efoi	Class Of Warrant Or Right Warrants Issued ClassOfWarrantOrRightWarrantsIssued	600018	shares
CY2023	efoi	Class Of Warrant Or Right Warrants Issued ClassOfWarrantOrRightWarrantsIssued	600018	shares
CY2024Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	0	usd
CY2023Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	49000	usd
CY2024Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	54000	usd
CY2023Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	130000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y3M18D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	30575	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.60
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	9	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	53.33
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	30566	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.58
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y2M12D
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	27170	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	5.70
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P8Y2M12D
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	13149	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	6.57
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P8Y
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	0	shares
CY2024Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber	0	shares
CY2024Q2	us-gaap	Purchase Obligation PurchaseObligation	1100000	usd
CY2024Q2	efoi	Purchase Obligation Percentage PurchaseObligationPercentage	0.32

Files In Submission

Name	View Source	Status
0001628280-24-036912-index-headers.html	Edgar Link	pending
0001628280-24-036912-index.html	Edgar Link	pending
0001628280-24-036912.txt	Edgar Link	pending
0001628280-24-036912-xbrl.zip	Edgar Link	pending
a20240630exhibit31110-q1.htm	Edgar Link	pending
a20240630exhibit32110-q1.htm	Edgar Link	pending
efoi-20240630.htm	Edgar Link	pending
efoi-20240630.xsd	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
efoi-20240630_def.xml	Edgar Link	unprocessable
efoi-20240630_lab.xml	Edgar Link	unprocessable
efoi-20240630_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
efoi-20240630_htm.xml	Edgar Link	completed
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
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R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
efoi-20240630_cal.xml	Edgar Link	unprocessable

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$EFOI
ENERGY FOCUS, INC/DE Stock $efoi

2024 Q3 Form 10-Q Financial Statement

#000162828024036912 Filed on August 13, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFOI ENERGY FOCUS, INC/DE Stock $efoi

2024 Q3 Form 10-Q Financial Statement

#000162828024036912 Filed on August 13, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EFOI
ENERGY FOCUS, INC/DE Stock $efoi