$EFOI
ENERGY FOCUS, INC/DE

2024 Q4 Form 10-Q Financial Statement

#000162828024046906 Filed on November 12, 2024

View on sec.gov

Income Statement

Concept 2024 Q4 2024 Q3 2023 Q3
Revenue $1.196M $1.339M
YoY Change -10.68% -24.09%
Cost Of Revenue $1.008M $1.387M
YoY Change -27.33% -28.02%
Gross Profit $188.0K -$48.00K
YoY Change -491.67% -70.55%
Gross Profit Margin 15.72% -3.58%
Selling, General & Admin $449.0K $713.0K
YoY Change -37.03% -60.43%
% of Gross Profit 238.83%
Research & Development $137.0K $142.0K
YoY Change -3.52% -61.2%
% of Gross Profit 72.87%
Depreciation & Amortization $9.000K $8.000K
YoY Change 12.5% -80.95%
% of Gross Profit 4.79%
Operating Expenses $586.0K $855.0K
YoY Change -31.46% -61.9%
Operating Profit -$398.0K -$903.0K
YoY Change -55.92% -62.48%
Interest Expense $0.00 $34.00K
YoY Change -100.0% -85.53%
% of Operating Profit
Other Income/Expense, Net -$7.000K -$10.00K
YoY Change -30.0% -89.58%
Pretax Income -$316.0K -$940.0K
YoY Change -66.38% -64.69%
Income Tax
% Of Pretax Income
Net Earnings -$316.0K -$944.0K
YoY Change -66.53% -64.54%
Net Earnings / Revenue -26.42% -70.5%
Basic Earnings Per Share
Diluted Earnings Per Share -$0.06 -$0.27
COMMON SHARES
Basic Shares Outstanding 5.261M shares 5.261M shares 3.495M shares
Diluted Shares Outstanding 5.261M shares 3.514M shares

Balance Sheet

Concept 2024 Q4 2024 Q3 2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $1.250M $2.420M
YoY Change -48.35% 271.74%
Cash & Equivalents $819.0K $1.691M
Short-Term Investments $431.0K $730.0K
Other Short-Term Assets $215.0K $190.0K
YoY Change 13.16% -75.89%
Inventory $3.721M $4.901M
Prepaid Expenses
Receivables $745.0K $844.0K
Other Receivables $0.00 $0.00
Total Short-Term Assets $5.931M $8.357M
YoY Change -29.03% -2.85%
LONG-TERM ASSETS
Property, Plant & Equipment $507.0K $1.050M
YoY Change -51.71% -37.54%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets $507.0K $1.046M
YoY Change -51.53% -37.78%
TOTAL ASSETS
Total Short-Term Assets $5.931M $8.357M
Total Long-Term Assets $507.0K $1.046M
Total Assets $6.438M $9.403M
YoY Change -31.53% -8.56%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $2.367M $2.600M
YoY Change -8.96% 37.86%
Accrued Expenses $573.0K $790.0K
YoY Change -27.47% -22.47%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00
YoY Change -100.0%
Long-Term Debt Due $0.00 $1.270M
YoY Change -100.0% -35.6%
Total Short-Term Liabilities $2.940M $4.654M
YoY Change -36.83% -32.16%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00
YoY Change -100.0%
Other Long-Term Liabilities $291.0K $860.0K
YoY Change -66.16% -20.52%
Total Long-Term Liabilities $291.0K $860.0K
YoY Change -66.16% -54.67%
TOTAL LIABILITIES
Total Short-Term Liabilities $2.940M $4.654M
Total Long-Term Liabilities $291.0K $860.0K
Total Liabilities $3.231M $5.511M
YoY Change -41.37% -37.07%
SHAREHOLDERS EQUITY
Retained Earnings -$154.6M -$152.5M
YoY Change 1.4% 3.92%
Common Stock $157.8M $156.4M
YoY Change 0.93% 5.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $3.207M $3.892M
YoY Change
Total Liabilities & Shareholders Equity $6.438M $9.403M
YoY Change -31.53% -8.56%

Cashflow Statement

Concept 2024 Q4 2024 Q3 2023 Q3
OPERATING ACTIVITIES
Net Income -$316.0K -$944.0K
YoY Change -66.53% -64.54%
Depreciation, Depletion And Amortization $9.000K $8.000K
YoY Change 12.5% -80.95%
Cash From Operating Activities -$267.0K -$1.035M
YoY Change -74.2% 16.16%
INVESTING ACTIVITIES
Capital Expenditures $19.00K $27.00K
YoY Change -29.63% 200.0%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities -$19.00K -$27.00K
YoY Change -29.63% 200.0%
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 $1.437M
YoY Change -100.0% 47800.0%
NET CHANGE
Cash From Operating Activities -$267.0K -$1.035M
Cash From Investing Activities -$19.00K -$27.00K
Cash From Financing Activities $0.00 $1.437M
Net Change In Cash -$286.0K $375.0K
YoY Change -176.27% -141.81%
FREE CASH FLOW
Cash From Operating Activities -$267.0K -$1.035M
Capital Expenditures $19.00K $27.00K
Free Cash Flow -$286.0K -$1.062M
YoY Change -73.07% 18.0%

Facts In Submission

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dei Trading Symbol
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us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
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us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
1074000 usd
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us-gaap Net Cash Provided By Used In Operating Activities
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us-gaap Net Cash Provided By Used In Operating Activities
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us-gaap Payments To Acquire Property Plant And Equipment
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us-gaap Gains Losses On Extinguishment Of Debt
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CY2024Q3 us-gaap Depreciation
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CY2023Q3 us-gaap Depreciation
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us-gaap Depreciation
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28000 usd
us-gaap Depreciation
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us-gaap Share Based Compensation
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2000 usd
us-gaap Share Based Compensation
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ProvisionForDoubtfulAccounts
6000 usd
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us-gaap Provision For Doubtful Accounts
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us-gaap Provision For Doubtful Accounts
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CY2023Q3 us-gaap Inventory Write Down
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us-gaap Inventory Write Down
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us-gaap Inventory Write Down
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CY2023Q3 efoi Increase Decrease In Provision For Warranties
IncreaseDecreaseInProvisionForWarranties
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CY2023Q3 us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
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us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
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us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
168000 usd
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us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
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us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
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CY2024Q3 efoi Increase Decrease In Vendor Prepayments
IncreaseDecreaseInVendorPrepayments
-14000 usd
CY2023Q3 efoi Increase Decrease In Vendor Prepayments
IncreaseDecreaseInVendorPrepayments
117000 usd
efoi Increase Decrease In Vendor Prepayments
IncreaseDecreaseInVendorPrepayments
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efoi Increase Decrease In Vendor Prepayments
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140000 usd
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55000 usd
us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
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CY2024Q3 us-gaap Increase Decrease In Accrued Liabilities
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CY2023Q3 us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
131000 usd
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
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us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
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CY2024Q3 us-gaap Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
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IncreaseDecreaseInOperatingLeaseLiability
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us-gaap Increase Decrease In Operating Lease Liability
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us-gaap Increase Decrease In Operating Lease Liability
IncreaseDecreaseInOperatingLeaseLiability
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AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
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AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
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us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
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245000 usd
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us-gaap Net Cash Provided By Used In Operating Activities
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us-gaap Payments To Acquire Property Plant And Equipment
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us-gaap Payments To Acquire Property Plant And Equipment
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NetCashProvidedByUsedInInvestingActivities
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CY2023Q3 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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ProceedsFromIssuanceOfCommonStock
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us-gaap Payments To Acquire Property Plant And Equipment
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CY2024Q3 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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CY2023Q3 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
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ProceedsFromIssuanceOfCommonStock
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CY2023Q3 us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
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us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
851000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
6079000 usd
efoi Payments For Offering Costs Associated With Reverse Stock Split
PaymentsForOfferingCostsAssociatedWithReverseStockSplit
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CY2024Q3 us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
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CY2023Q3 us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
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us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
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us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
625000 usd
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ProceedsFromRepaymentsOfLinesOfCredit
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CY2023Q3 us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
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us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
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us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
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CY2024Q3 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
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CY2023Q3 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
1437000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
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us-gaap Net Cash Provided By Used In Financing Activities
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4036000 usd
CY2024Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
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CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
375000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
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us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
1639000 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
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
CY2024Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
819000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2024Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
819000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2024Q3 us-gaap Interest Paid Net
InterestPaidNet
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us-gaap Interest Paid Net
InterestPaidNet
5000 usd
us-gaap Interest Paid Net
InterestPaidNet
77000 usd
us-gaap Nature Of Operations
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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>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.
us-gaap Net Income Loss
NetIncomeLoss
-1300000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
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CY2023 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
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CY2023Q3 us-gaap Proceeds From Issuance Of Common Stock
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1750000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
851000 usd
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
6079000 usd
CY2024Q3 efoi Payments For Offering Costs Associated With Reverse Stock Split
PaymentsForOfferingCostsAssociatedWithReverseStockSplit
0 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
CY2024Q3 us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
0 usd
CY2023Q3 us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
125000 usd
us-gaap Repayments Of Notes Payable
RepaymentsOfNotesPayable
1000000 usd
CY2024Q3 us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
0 usd
CY2023Q3 us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
-188000 usd
us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
0 usd
us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
-1402000 usd
CY2023Q3 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
1437000 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
4036000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
375000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-1211000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
1639000 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
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
CY2024Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
819000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2024Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
819000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2024Q3 us-gaap Interest Paid Net
InterestPaidNet
0 usd
CY2023Q3 us-gaap Interest Paid Net
InterestPaidNet
7000 usd
us-gaap Interest Paid Net
InterestPaidNet
5000 usd
us-gaap Interest Paid Net
InterestPaidNet
77000 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>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.
us-gaap Net Income Loss
NetIncomeLoss
-1300000 usd
CY2023 us-gaap Net Income Loss
NetIncomeLoss
-4300000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-1000000.0 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 credit loss allowance 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. 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>
CY2024Q3 us-gaap Revenues
Revenues
1196000 usd
CY2023Q3 us-gaap Revenues
Revenues
1339000 usd
us-gaap Revenues
Revenues
3582000 usd
us-gaap Revenues
Revenues
3324000 usd
efoi Contract With Customer Payment Terms
ContractWithCustomerPaymentTerms
P30D
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
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 credit loss allowance 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. 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>
CY2024Q3 us-gaap Revenues
Revenues
1196000 usd
CY2023Q3 us-gaap Revenues
Revenues
1339000 usd
us-gaap Revenues
Revenues
3582000 usd
us-gaap Revenues
Revenues
3324000 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
CY2023Q3 us-gaap Revenue Recognition Sales Returns Reserve For Sales Returns
RevenueRecognitionSalesReturnsReserveForSalesReturns
11000 usd
CY2023Q3 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
76000 usd
CY2024Q3 us-gaap Net Income Loss
NetIncomeLoss
-316000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
-944000 usd
us-gaap Net Income Loss
NetIncomeLoss
-1288000 usd
us-gaap Net Income Loss
NetIncomeLoss
-3444000 usd
CY2024Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
5261000 shares
CY2024Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
5261000 shares
CY2023Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
3514000 shares
CY2023Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
3514000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
4840000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
4840000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
2868000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
2868000 shares
efoi Product Warranty Number Of Years For Product Sold
ProductWarrantyNumberOfYearsForProductSold
P20Y
CY2024Q2 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
117000 usd
CY2022Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
183000 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
CY2023Q3 efoi Accounts Receivable Allowance For Credit Loss Reserve
AccountsReceivableAllowanceForCreditLossReserve
-14000 usd
CY2023Q3 us-gaap Revenue Recognition Sales Returns Reserve For Sales Returns
RevenueRecognitionSalesReturnsReserveForSalesReturns
11000 usd
CY2023Q3 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
76000 usd
CY2024Q3 us-gaap Net Income Loss
NetIncomeLoss
-316000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
-944000 usd
us-gaap Net Income Loss
NetIncomeLoss
-1288000 usd
us-gaap Net Income Loss
NetIncomeLoss
-3444000 usd
CY2024Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
5261000 shares
CY2024Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
5261000 shares
CY2023Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
3514000 shares
CY2023Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
3514000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
4840000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
4840000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
2868000 shares
efoi Product Warranty Number Of Years For Product Sold
ProductWarrantyNumberOfYearsForProductSold
P20Y
CY2024Q2 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
117000 usd
CY2023Q2 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
146000 usd
CY2023Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
150000 usd
CY2022Q4 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
183000 usd
CY2024Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
1000 usd
CY2023Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
1000 usd
efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
3000 usd
efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
3000 usd
CY2024Q3 us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
0 usd
CY2023Q3 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
CY2023Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
147000 usd
us-gaap Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
<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%">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 September 30, 2024, four customers accounted for an aggregate of approximately 66% net sales, with sales to our primary shipbuilders for the U.S. Navy accounting for approximately 24% of net sales, sales to our primary distributor for the U.S. Navy accounting for approximately 26% of net sales and sales to our primary commercial lighting customer accounting for approximately 16% of net sales. For the three months ended September 30, 2023, two customers accounted for approximately 42% net sales, with sales to our primary distributor for the U.S. Navy and shipbuilders for the U.S. Navy accounting for approximately 42% 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 nine months ended September 30, 2024, three customers accounted for an aggregate of approximately 39% net sales, with sales to our primary distributor for the U.S. Navy accounting for approximately 29% of net sales and sales to our primary commercial lighting customer accounting for approximately 10% of net sales. For the nine months ended September 30, 2023, two customers accounted for approximately 29% net sales, with sales to our primary shipbuilder for the U.S. Navy and a distributor to the Department of Defense. </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 September 30, 2024, four 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 $0.4 million and $0.8 million at September 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="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">one supplier (a related party, see Note 10 “Related Party Transactions”) accounted for more than 10% of our total expenditures for the three and nine months ended September 30, 2024. One supplier accounted for more than 10% of our total expenditures for the three months ended September 30, 2023.</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 September 30, 2024, two offshore suppliers accounted for approximately 29% and 44% (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>
CY2024Q3 us-gaap Deposits Assets Current
DepositsAssetsCurrent
400000 usd
CY2023Q4 us-gaap Deposits Assets Current
DepositsAssetsCurrent
800000 usd
CY2024Q3 efoi Number Of Offshore Supplier
NumberOfOffshoreSupplier
2 supplier
CY2023Q4 efoi Number Of Offshore Supplier
NumberOfOffshoreSupplier
2 supplier
CY2024Q3 us-gaap Inventory Raw Materials
InventoryRawMaterials
3831000 usd
CY2023Q4 us-gaap Inventory Raw Materials
InventoryRawMaterials
2189000 usd
CY2024Q3 us-gaap Inventory Finished Goods
InventoryFinishedGoods
2684000 usd
CY2023Q4 us-gaap Inventory Finished Goods
InventoryFinishedGoods
4803000 usd
CY2024Q3 efoi Inventory Permanent Markdowns
InventoryPermanentMarkdowns
2464000 usd
CY2023Q4 efoi Inventory Permanent Markdowns
InventoryPermanentMarkdowns
0 usd
CY2024Q3 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
330000 usd
CY2024Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
1000 usd
CY2023Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
1000 usd
efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
3000 usd
efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
3000 usd
CY2024Q3 us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
0 usd
CY2023Q3 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
CY2024Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
118000 usd
CY2023Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
147000 usd
us-gaap Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
<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%">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 September 30, 2024, four customers accounted for an aggregate of approximately 66% net sales, with sales to our primary shipbuilders for the U.S. Navy accounting for approximately 24% of net sales, sales to our primary distributor for the U.S. Navy accounting for approximately 26% of net sales and sales to our primary commercial lighting customer accounting for approximately 16% of net sales. For the three months ended September 30, 2023, two customers accounted for approximately 42% net sales, with sales to our primary distributor for the U.S. Navy and shipbuilders for the U.S. Navy accounting for approximately 42% 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 nine months ended September 30, 2024, three customers accounted for an aggregate of approximately 39% net sales, with sales to our primary distributor for the U.S. Navy accounting for approximately 29% of net sales and sales to our primary commercial lighting customer accounting for approximately 10% of net sales. For the nine months ended September 30, 2023, two customers accounted for approximately 29% net sales, with sales to our primary shipbuilder for the U.S. Navy and a distributor to the Department of Defense. </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 September 30, 2024, four 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 $0.4 million and $0.8 million at September 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="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">one supplier (a related party, see Note 10 “Related Party Transactions”) accounted for more than 10% of our total expenditures for the three and nine months ended September 30, 2024. One supplier accounted for more than 10% of our total expenditures for the three months ended September 30, 2023.</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 September 30, 2024, two offshore suppliers accounted for approximately 29% and 44% (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>
CY2024Q3 us-gaap Deposits Assets Current
DepositsAssetsCurrent
400000 usd
CY2023Q4 us-gaap Deposits Assets Current
DepositsAssetsCurrent
800000 usd
CY2024Q3 efoi Number Of Offshore Supplier
NumberOfOffshoreSupplier
2 supplier
CY2023Q4 efoi Number Of Offshore Supplier
NumberOfOffshoreSupplier
2 supplier
CY2023Q4 us-gaap Inventory Raw Materials
InventoryRawMaterials
2189000 usd
CY2024Q3 us-gaap Inventory Finished Goods
InventoryFinishedGoods
2684000 usd
CY2023Q4 us-gaap Inventory Finished Goods
InventoryFinishedGoods
4803000 usd
CY2024Q3 efoi Inventory Permanent Markdowns
InventoryPermanentMarkdowns
2464000 usd
CY2023Q4 efoi Inventory Permanent Markdowns
InventoryPermanentMarkdowns
0 usd
CY2024Q3 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
330000 usd
CY2023Q4 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
2553000 usd
CY2024Q3 us-gaap Inventory Net
InventoryNet
3721000 usd
CY2023Q4 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
2553000 usd
CY2024Q3 us-gaap Inventory Net
InventoryNet
3721000 usd
CY2023Q4 us-gaap Inventory Net
InventoryNet
4439000 usd
CY2024Q2 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
225000 usd
CY2023Q2 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2400000 usd
CY2023Q4 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2553000 usd
CY2022Q4 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2527000 usd
CY2024Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-105000 usd
CY2023Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-169000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-330000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-155000 usd
CY2024Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
0 usd
CY2023Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
109000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
89000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
222000 usd
CY2024Q3 efoi Inventory Valuation Reserves Permanent Markdowns
InventoryValuationReservesPermanentMarkdowns
0 usd
CY2023Q3 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
CY2023Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2460000 usd
CY2024Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
330000 usd
CY2023Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2460000 usd
CY2024Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1477000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1461000 usd
CY2024Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
1378000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
1349000 usd
CY2024Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
99000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
112000 usd
CY2024Q3 us-gaap Depreciation
Depreciation
9000 usd
CY2023Q3 us-gaap Depreciation
Depreciation
8000 usd
us-gaap Depreciation
Depreciation
28000 usd
us-gaap Depreciation
Depreciation
24000 usd
CY2023Q4 us-gaap Inventory Net
InventoryNet
4439000 usd
CY2023Q2 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2400000 usd
CY2023Q4 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2553000 usd
CY2022Q4 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2527000 usd
CY2024Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-105000 usd
CY2023Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-169000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-330000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-155000 usd
CY2024Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
0 usd
CY2023Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
109000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
89000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
222000 usd
CY2024Q3 efoi Inventory Valuation Reserves Permanent Markdowns
InventoryValuationReservesPermanentMarkdowns
0 usd
CY2023Q3 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
CY2024Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
330000 usd
CY2024Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
330000 usd
CY2023Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2460000 usd
CY2024Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1477000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1461000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
1349000 usd
CY2024Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
99000 usd
CY2023Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
112000 usd
CY2024Q3 us-gaap Depreciation
Depreciation
9000 usd
CY2023Q3 us-gaap Depreciation
Depreciation
8000 usd
us-gaap Depreciation
Depreciation
28000 usd
us-gaap Depreciation
Depreciation
24000 usd
CY2024Q2 us-gaap Net Rentable Area
NetRentableArea
62335 sqft
CY2024Q3 us-gaap Net Rentable Area
NetRentableArea
29692 sqft
CY2024Q3 us-gaap Lessee Operating Lease Discount Rate
LesseeOperatingLeaseDiscountRate
0.1364
CY2024Q2 us-gaap Net Rentable Area
NetRentableArea
62335 sqft
CY2024Q3 us-gaap Net Rentable Area
NetRentableArea
29692 sqft
CY2024Q3 us-gaap Lessee Operating Lease Discount Rate
LesseeOperatingLeaseDiscountRate
0.1364
us-gaap Gain Loss On Termination Of Lease
GainLossOnTerminationOfLease
63000 usd
CY2024Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y9M18D
CY2024Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
72000 usd
CY2023Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
122000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
267000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
354000 usd
CY2024Q3 efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
72000 usd
CY2023Q3 efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
122000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
267000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
354000 usd
CY2024Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
408000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
1021000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
197000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Two
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
185000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Three
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
141000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
523000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
82000 usd
CY2024Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
441000 usd
CY2024Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
94000 usd
CY2023Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
97000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
281000 usd
us-gaap Gain Loss On Termination Of Lease
GainLossOnTerminationOfLease
63000 usd
CY2024Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P2Y9M18D
CY2024Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
72000 usd
CY2023Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
122000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
267000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
354000 usd
CY2024Q3 efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
72000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
267000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
354000 usd
CY2024Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
408000 usd
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
899000 usd
CY2024Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
441000 usd
CY2023Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
1021000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
197000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Two
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
185000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Three
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
141000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
523000 usd
CY2024Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
82000 usd
CY2024Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
441000 usd
CY2024Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
94000 usd
CY2023Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
97000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
281000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
286000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
286000 usd
CY2024Q3 us-gaap Notes Payable Current
NotesPayableCurrent
0 usd
CY2023Q4 us-gaap Notes Payable Current
NotesPayableCurrent
1323000 usd
CY2024Q3 us-gaap Short Term Borrowings
ShortTermBorrowings
0 usd
CY2023Q4 us-gaap Short Term Borrowings
ShortTermBorrowings
450000 usd
CY2024Q3 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
CY2024Q3 us-gaap Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration
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900000 usd
CY2023Q2 us-gaap Sale Of Stock Price Per Share
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0.0001
CY2023Q2 us-gaap Common Stock Shares Authorized
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50000000 shares
CY2020Q1 us-gaap Preferred Stock Shares Authorized
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5000000 shares
CY2020Q1 efoi Percentage Of Series A Preferred Stock Eligible To Vote
PercentageOfSeriesAPreferredStockEligibleToVote
0.01582
CY2023Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2024Q3 us-gaap Preferred Stock Shares Outstanding
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876447 shares
CY2023Q4 us-gaap Preferred Stock Shares Issued
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876447 shares
CY2024Q3 us-gaap Preferred Stock Shares Issued
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876447 shares
CY2023Q4 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2024Q3 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
0 shares
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
efoi Class Of Warrant Or Right Warrants Issued
ClassOfWarrantOrRightWarrantsIssued
600018 shares
CY2024Q3 us-gaap Notes Payable Current
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0 usd
CY2023Q4 us-gaap Short Term Borrowings
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450000 usd
CY2024Q3 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
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9200000 usd
CY2024Q3 us-gaap Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration
DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
900000 usd
CY2023Q2 us-gaap Sale Of Stock Price Per Share
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0.0001
CY2023Q2 us-gaap Common Stock Shares Authorized
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50000000 shares
CY2020Q1 us-gaap Preferred Stock Shares Authorized
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5000000 shares
CY2020Q1 efoi Percentage Of Series A Preferred Stock Eligible To Vote
PercentageOfSeriesAPreferredStockEligibleToVote
0.01582
CY2023Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2024Q3 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2023Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
876447 shares
CY2024Q3 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
876447 shares
CY2023Q4 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2024Q3 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Exercised
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
0 shares
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
CY2024Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
1000 usd
CY2023Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
-13000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
2000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
36000 usd
CY2024Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
3000 usd
CY2023Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
69000 usd
us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
P2Y
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
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
30566 shares
CY2024Q3 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
P8Y
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
27802 shares
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
5.68
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
P7Y10M24D
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
14936 shares
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
6.34
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P7Y9M18D
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
0 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
0 shares
CY2024Q3 us-gaap Purchase Obligation
PurchaseObligation
167000 usd
CY2024Q3 efoi Purchase Obligation Percentage
PurchaseObligationPercentage
0.30
CY2024Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
1000 usd
CY2023Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
-13000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
2000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
36000 usd
CY2024Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
3000 usd
CY2023Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
69000 usd
us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
P2Y
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
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
30566 shares
CY2024Q3 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
P8Y
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
27802 shares
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
5.68
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
6.34
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P7Y9M18D
CY2024Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
0 shares
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Non Option Equity Instruments Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
0 shares
CY2024Q3 us-gaap Purchase Obligation
PurchaseObligation
167000 usd
CY2024Q3 efoi Purchase Obligation Percentage
PurchaseObligationPercentage
0.30

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