2023 Q4 Form 10-Q Financial Statement

#000092416823000096 Filed on November 09, 2023

View on sec.gov

Income Statement

Concept 2023 Q4 2023 Q3
Revenue $2.393M $1.339M
YoY Change 260.94% -24.09%
Cost Of Revenue $2.318M $1.387M
YoY Change 157.27% -28.02%
Gross Profit $75.00K -$48.00K
YoY Change -131.51% -70.55%
Gross Profit Margin 3.13% -3.58%
Selling, General & Admin $696.0K $713.0K
YoY Change -44.54% -60.43%
% of Gross Profit 928.0%
Research & Development $144.0K $142.0K
YoY Change -46.47% -61.2%
% of Gross Profit 192.0%
Depreciation & Amortization $13.00K $8.000K
YoY Change -56.67% -80.95%
% of Gross Profit 17.33%
Operating Expenses $840.0K $855.0K
YoY Change -44.88% -61.9%
Operating Profit -$765.0K -$903.0K
YoY Change -56.58% -62.48%
Interest Expense -$97.00K $34.00K
YoY Change -64.73% -85.53%
% of Operating Profit
Other Income/Expense, Net $2.000K -$10.00K
YoY Change -97.1% -89.58%
Pretax Income -$846.0K -$940.0K
YoY Change -63.31% -64.69%
Income Tax $3.000K
% Of Pretax Income
Net Earnings -$849.0K -$944.0K
YoY Change -63.25% -64.54%
Net Earnings / Revenue -35.48% -70.5%
Basic Earnings Per Share
Diluted Earnings Per Share -$0.19 -$0.27
COMMON SHARES
Basic Shares Outstanding 4.349M shares 3.495M shares
Diluted Shares Outstanding 3.514M shares

Balance Sheet

Concept 2023 Q4 2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments $2.822M $2.420M
YoY Change 338.2% 271.74%
Cash & Equivalents $2.000M $1.691M
Short-Term Investments $792.0K $730.0K
Other Short-Term Assets $2.000K $190.0K
YoY Change -75.89%
Inventory $4.439M $4.901M
Prepaid Expenses
Receivables $1.772M $844.0K
Other Receivables $0.00 $0.00
Total Short-Term Assets $9.189M $8.357M
YoY Change 26.88% -2.85%
LONG-TERM ASSETS
Property, Plant & Equipment $1.011M $1.050M
YoY Change -19.51% -37.54%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets $1.011M $1.046M
YoY Change -19.51% -37.78%
TOTAL ASSETS
Total Short-Term Assets $9.189M $8.357M
Total Long-Term Assets $1.011M $1.046M
Total Assets $10.20M $9.403M
YoY Change 20.03% -8.56%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $3.770M $2.600M
YoY Change 71.05% 37.86%
Accrued Expenses $808.0K $790.0K
YoY Change -6.37% -22.47%
Deferred Revenue
YoY Change
Short-Term Debt $450.0K $0.00
YoY Change -80.1% -100.0%
Long-Term Debt Due $1.323M $1.270M
YoY Change -49.47% -35.6%
Total Short-Term Liabilities $6.351M $4.654M
YoY Change -20.07% -32.16%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00
YoY Change -100.0%
Other Long-Term Liabilities $798.0K $860.0K
YoY Change -22.45% -20.52%
Total Long-Term Liabilities $798.0K $860.0K
YoY Change -22.45% -54.67%
TOTAL LIABILITIES
Total Short-Term Liabilities $6.351M $4.654M
Total Long-Term Liabilities $798.0K $860.0K
Total Liabilities $7.149M $5.511M
YoY Change -20.35% -37.07%
SHAREHOLDERS EQUITY
Retained Earnings -$153.3M -$152.5M
YoY Change 2.88% 3.92%
Common Stock $156.4M $156.4M
YoY Change 5.27% 5.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $3.051M $3.892M
YoY Change
Total Liabilities & Shareholders Equity $10.20M $9.403M
YoY Change 20.03% -8.56%

Cashflow Statement

Concept 2023 Q4 2023 Q3
OPERATING ACTIVITIES
Net Income -$849.0K -$944.0K
YoY Change -63.25% -64.54%
Depreciation, Depletion And Amortization $13.00K $8.000K
YoY Change -56.67% -80.95%
Cash From Operating Activities -$69.00K -$1.035M
YoY Change -85.38% 16.16%
INVESTING ACTIVITIES
Capital Expenditures $39.00K $27.00K
YoY Change 200.0%
Acquisitions
YoY Change
Other Investing Activities $0.00
YoY Change -100.0%
Cash From Investing Activities -$39.00K -$27.00K
YoY Change -256.0% 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 446.0K $1.437M
YoY Change -2.62% 47800.0%
NET CHANGE
Cash From Operating Activities -69.00K -$1.035M
Cash From Investing Activities -39.00K -$27.00K
Cash From Financing Activities 446.0K $1.437M
Net Change In Cash 338.0K $375.0K
YoY Change 2972.73% -141.81%
FREE CASH FLOW
Cash From Operating Activities -$69.00K -$1.035M
Capital Expenditures $39.00K $27.00K
Free Cash Flow -$108.0K -$1.062M
YoY Change -77.12% 18.0%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
1222000 usd
CY2022Q3 us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
1802000 usd
us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
2911000 usd
CY2023Q3 us-gaap Operating Expenses
OperatingExpenses
855000 usd
CY2023Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
844000 usd
CY2022Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
445000 usd
CY2023Q3 us-gaap Inventory Net
InventoryNet
4901000 usd
CY2022Q4 us-gaap Inventory Net
InventoryNet
5476000 usd
CY2023Q3 us-gaap Deposits Assets Current
DepositsAssetsCurrent
732000 usd
CY2022Q4 us-gaap Deposits Assets Current
DepositsAssetsCurrent
592000 usd
CY2023Q3 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
189000 usd
CY2022Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
232000 usd
CY2023Q3 efoi Receivable For Claimed Employee Retention Tax Credit Current
ReceivableForClaimedEmployeeRetentionTaxCreditCurrent
0 usd
CY2022Q4 efoi Receivable For Claimed Employee Retention Tax Credit Current
ReceivableForClaimedEmployeeRetentionTaxCreditCurrent
445000 usd
CY2022Q3 us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
1927000 usd
CY2022Q3 us-gaap Gross Profit
GrossProfit
-163000 usd
CY2022Q3 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
366000 usd
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
CY2022 us-gaap Accounting Standards Update Extensible List
AccountingStandardsUpdateExtensibleList
http://fasb.org/us-gaap/2023#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
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
CY2023Q2 us-gaap Stockholders Equity Note Stock Split Conversion Ratio1
StockholdersEquityNoteStockSplitConversionRatio1
0.142857
CY2023Q3 us-gaap Notes Payable Current
NotesPayableCurrent
1266000 usd
CY2022Q4 us-gaap Notes Payable Current
NotesPayableCurrent
2618000 usd
CY2023Q3 us-gaap Lines Of Credit Current
LinesOfCreditCurrent
0 usd
CY2022Q4 us-gaap Lines Of Credit Current
LinesOfCreditCurrent
1447000 usd
CY2023Q3 us-gaap Liabilities Current
LiabilitiesCurrent
4654000 usd
CY2022Q4 us-gaap Liabilities Current
LiabilitiesCurrent
7946000 usd
CY2023Q3 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
857000 usd
CY2022Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
1029000 usd
CY2023Q3 us-gaap Liabilities
Liabilities
5511000 usd
CY2022Q4 us-gaap Liabilities
Liabilities
8975000 usd
CY2022Q4 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.0001
CY2023Q3 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.0001
CY2023Q3 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000 shares
CY2022Q4 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
5000000 shares
CY2023Q3 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
876447 shares
CY2023Q3 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2023Q3 us-gaap Preferred Stock Value
PreferredStockValue
0 usd
CY2022Q4 us-gaap Preferred Stock Value
PreferredStockValue
0 usd
CY2022Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.0001
CY2023Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.0001
CY2022Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000 shares
CY2023Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
50000000 shares
CY2022Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
1406920 shares
CY2022Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
1406920 shares
CY2023Q3 us-gaap Common Stock Value
CommonStockValue
0 usd
CY2022Q4 us-gaap Common Stock Value
CommonStockValue
1000 usd
CY2023Q3 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
156361000 usd
CY2022Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
148545000 usd
CY2023Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-3000 usd
CY2022Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-3000 usd
CY2023Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-152466000 usd
CY2022Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-149020000 usd
CY2023Q3 us-gaap Stockholders Equity
StockholdersEquity
3892000 usd
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
-477000 usd
CY2023Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
9403000 usd
CY2022Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
8498000 usd
CY2022Q3 us-gaap Revenues
Revenues
1764000 usd
us-gaap Revenues
Revenues
3324000 usd
us-gaap Revenues
Revenues
5305000 usd
us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
3176000 usd
us-gaap Cost Of Goods And Services Sold
CostOfGoodsAndServicesSold
5385000 usd
us-gaap Gross Profit
GrossProfit
148000 usd
us-gaap Gross Profit
GrossProfit
-80000 usd
us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
443000 usd
us-gaap Selling General And Administrative Expense
SellingGeneralAndAdministrativeExpense
5893000 usd
CY2023Q3 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
0 usd
CY2022Q3 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-76000 usd
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
0 usd
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-76000 usd
CY2022Q3 us-gaap Operating Expenses
OperatingExpenses
2244000 usd
us-gaap Operating Expenses
OperatingExpenses
3354000 usd
CY2023Q3 us-gaap Operating Income Loss
OperatingIncomeLoss
-903000 usd
us-gaap Operating Income Loss
OperatingIncomeLoss
-7271000 usd
CY2023Q3 us-gaap Interest Expense
InterestExpense
34000 usd
us-gaap Interest Expense
InterestExpense
679000 usd
CY2023Q3 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
0 usd
CY2022Q3 us-gaap Other Nonoperating Income
OtherNonoperatingIncome
0 usd
us-gaap Other Nonoperating Income
OtherNonoperatingIncome
16000 usd
us-gaap Other Nonoperating Income
OtherNonoperatingIncome
30000 usd
CY2023Q3 us-gaap Income Loss From Continuing Operations Per Diluted Share
IncomeLossFromContinuingOperationsPerDilutedShare
-0.27
CY2023Q3 us-gaap Income Loss From Continuing Operations Per Basic Share
IncomeLossFromContinuingOperationsPerBasicShare
-0.27
CY2022Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
1313000 shares
CY2022Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
1313000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
2868000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
2868000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
1087000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
1087000 shares
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
-477000 usd
CY2023Q1 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
3025000 usd
CY2023Q1 us-gaap Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt
AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
1716000 usd
CY2023Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
26000 usd
CY2023Q1 us-gaap Stockholders Equity
StockholdersEquity
2955000 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 Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
23000 usd
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
-1167000 usd
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
3099000 usd
CY2023Q3 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
1750000 usd
CY2023Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
-13000 usd
CY2021Q4 us-gaap Stockholders Equity
StockholdersEquity
6209000 usd
CY2022Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
44000 usd
CY2022Q1 us-gaap Net Income Loss
NetIncomeLoss
-2821000 usd
CY2022Q1 us-gaap Stockholders Equity
StockholdersEquity
3432000 usd
CY2022Q2 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
5000 usd
CY2022Q2 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
3500000 usd
CY2022Q2 us-gaap Adjustments To Additional Paid In Capital Stock Issued Issuance Costs
AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
334000 usd
CY2022Q2 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
54000 usd
CY2022Q2 us-gaap Net Income Loss
NetIncomeLoss
-2486000 usd
CY2022Q2 us-gaap Stockholders Equity
StockholdersEquity
4171000 usd
CY2022Q3 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
17000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
-2662000 usd
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
1526000 usd
us-gaap Net Income Loss
NetIncomeLoss
-3444000 usd
us-gaap Net Income Loss
NetIncomeLoss
-7969000 usd
us-gaap Other Income
OtherIncome
40000 usd
us-gaap Other Income
OtherIncome
30000 usd
CY2023Q3 us-gaap Depreciation
Depreciation
8000 usd
CY2022Q3 us-gaap Depreciation
Depreciation
42000 usd
us-gaap Depreciation
Depreciation
24000 usd
us-gaap Depreciation
Depreciation
129000 usd
CY2023Q3 us-gaap Share Based Compensation
ShareBasedCompensation
-13000 usd
CY2022Q3 us-gaap Share Based Compensation
ShareBasedCompensation
17000 usd
us-gaap Share Based Compensation
ShareBasedCompensation
36000 usd
us-gaap Share Based Compensation
ShareBasedCompensation
115000 usd
CY2023Q3 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
0 usd
CY2022Q3 us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
1000 usd
us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
50000 usd
us-gaap Provision For Doubtful Accounts
ProvisionForDoubtfulAccounts
-3000 usd
CY2023Q3 us-gaap Inventory Write Down
InventoryWriteDown
62000 usd
CY2022Q3 us-gaap Inventory Write Down
InventoryWriteDown
220000 usd
us-gaap Inventory Write Down
InventoryWriteDown
-68000 usd
us-gaap Inventory Write Down
InventoryWriteDown
164000 usd
CY2023Q3 efoi Increase Decrease In Provision For Warranties
IncreaseDecreaseInProvisionForWarranties
0 usd
CY2022Q3 efoi Increase Decrease In Provision For Warranties
IncreaseDecreaseInProvisionForWarranties
-74000 usd
efoi Increase Decrease In Provision For Warranties
IncreaseDecreaseInProvisionForWarranties
-37000 usd
efoi Increase Decrease In Provision For Warranties
IncreaseDecreaseInProvisionForWarranties
-53000 usd
CY2023Q3 us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
59000 usd
CY2022Q3 us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
87000 usd
us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
168000 usd
us-gaap Amortization Of Debt Discount Premium
AmortizationOfDebtDiscountPremium
247000 usd
CY2023Q3 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
0 usd
CY2022Q3 us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-76000 usd
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
0 usd
us-gaap Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
-76000 usd
CY2023Q3 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
46000 usd
CY2022Q3 us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-139000 usd
CY2023Q3 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-340000 usd
CY2022Q3 us-gaap Increase Decrease In Inventories
IncreaseDecreaseInInventories
-792000 usd
CY2023Q3 us-gaap Increase Decrease In Deposit Other Assets
IncreaseDecreaseInDepositOtherAssets
117000 usd
CY2022Q3 us-gaap Increase Decrease In Deposit Other Assets
IncreaseDecreaseInDepositOtherAssets
110000 usd
us-gaap Increase Decrease In Deposit Other Assets
IncreaseDecreaseInDepositOtherAssets
140000 usd
us-gaap Increase Decrease In Deposit Other Assets
IncreaseDecreaseInDepositOtherAssets
51000 usd
CY2023Q3 us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
-28000 usd
CY2022Q3 us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
-46000 usd
CY2023Q3 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-459000 usd
CY2022Q3 us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
629000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
398000 usd
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-92000 usd
CY2023Q3 us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
87000 usd
CY2022Q3 us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
-101000 usd
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
1000 usd
us-gaap Increase Decrease In Accrued Liabilities
IncreaseDecreaseInAccruedLiabilities
-461000 usd
CY2023Q3 us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
0 usd
CY2022Q3 us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
7000 usd
us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
0 usd
us-gaap Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
-261000 usd
CY2023Q3 us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
-91000 usd
CY2022Q3 us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
1771000 usd
us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
1074000 usd
us-gaap Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
1728000 usd
CY2023Q3 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-1035000 usd
CY2022Q3 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-891000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-2370000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-6241000 usd
CY2023Q3 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
27000 usd
CY2022Q3 us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
9000 usd
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
27000 usd
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
41000 usd
CY2023Q3 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-27000 usd
CY2022Q3 us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-9000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-27000 usd
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-41000 usd
CY2023Q3 efoi Proceeds From Issuance Of Common Stock And Warrants
ProceedsFromIssuanceOfCommonStockAndWarrants
1750000 usd
CY2022Q3 efoi Proceeds From Issuance Of Common Stock And Warrants
ProceedsFromIssuanceOfCommonStockAndWarrants
0 usd
efoi Proceeds From Issuance Of Common Stock And Warrants
ProceedsFromIssuanceOfCommonStockAndWarrants
6079000 usd
efoi Proceeds From Issuance Of Common Stock And Warrants
ProceedsFromIssuanceOfCommonStockAndWarrants
3500000 usd
CY2023Q3 us-gaap Payments Of Stock Issuance Costs
PaymentsOfStockIssuanceCosts
0 usd
CY2022Q3 us-gaap Payments Of Stock Issuance Costs
PaymentsOfStockIssuanceCosts
0 usd
us-gaap Payments Of Stock Issuance Costs
PaymentsOfStockIssuanceCosts
0 usd
us-gaap Payments Of Stock Issuance Costs
PaymentsOfStockIssuanceCosts
334000 usd
CY2023Q3 efoi Payments For Offering Costs Associated With Reverse Stock Split
PaymentsForOfferingCostsAssociatedWithReverseStockSplit
0 usd
CY2022Q3 efoi Payments For Offering Costs Associated With Reverse Stock Split
PaymentsForOfferingCostsAssociatedWithReverseStockSplit
0 usd
CY2023Q3 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
CY2022Q3 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
1000 usd
CY2023Q3 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
0 usd
CY2022Q3 us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
0 usd
us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
0 usd
us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
5000 usd
CY2023Q3 us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
0 usd
CY2022Q3 us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
450000 usd
us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
0 usd
us-gaap Proceeds From Related Party Debt
ProceedsFromRelatedPartyDebt
450000 usd
CY2023Q3 us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
0 usd
CY2022Q3 us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
95000 usd
us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
0 usd
us-gaap Payments Of Financing Costs
PaymentsOfFinancingCosts
329000 usd
CY2023Q3 us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
-188000 usd
CY2022Q3 us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
58000 usd
us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
-1402000 usd
us-gaap Proceeds From Repayments Of Lines Of Credit
ProceedsFromRepaymentsOfLinesOfCredit
-215000 usd
CY2023Q3 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
1437000 usd
CY2022Q3 us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
3000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
4036000 usd
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
3641000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
375000 usd
CY2022Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-897000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
1639000 usd
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-2641000 usd
CY2023Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1316000 usd
CY2022Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
938000 usd
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
52000 usd
CY2021Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
2682000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2022Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
41000 usd
CY2023Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
1691000 usd
CY2022Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
41000 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. 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 control 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
-3400000 usd
CY2022 us-gaap Net Income Loss
NetIncomeLoss
-10300000 usd
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-2400000 usd
CY2022 us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-6700000 usd
CY2023Q3 efoi Common Stock Minimum Bid Price
CommonStockMinimumBidPrice
1.00
CY2023Q3 efoi Common Stock Minimum Bid Price
CommonStockMinimumBidPrice
1.00
CY2022Q3 efoi Common Stock Closing Bid Price Threshold
CommonStockClosingBidPriceThreshold
1.00
CY2022Q3 efoi Number Of Consecutive Days For Bid Price Below Threshold
NumberOfConsecutiveDaysForBidPriceBelowThreshold
30 d
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
2500000 usd
CY2022Q3 us-gaap Stockholders Equity
StockholdersEquity
1500000 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 reported 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 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 </span></div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">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 require considerable judgment. Actual results could differ from those estimates and such differences could be material.</span>
CY2023Q3 us-gaap Revenues
Revenues
1339000 usd
CY2022Q3 us-gaap Revenues
Revenues
1764000 usd
us-gaap Revenues
Revenues
3324000 usd
us-gaap Revenues
Revenues
5305000 usd
efoi Contract With Customer Payment Terms
ContractWithCustomerPaymentTerms
P30D
CY2023Q3 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
920000 usd
CY2022Q4 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
471000 usd
CY2022Q1 us-gaap Accounts Receivable Gross Current
AccountsReceivableGrossCurrent
1254000 usd
CY2023Q3 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
76000 usd
CY2022Q4 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
26000 usd
CY2022Q1 us-gaap Allowance For Doubtful Accounts Receivable Current
AllowanceForDoubtfulAccountsReceivableCurrent
14000 usd
CY2023Q3 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
844000 usd
CY2022Q4 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
445000 usd
CY2022Q1 us-gaap Accounts Receivable Net Current
AccountsReceivableNetCurrent
1240000 usd
CY2023Q3 us-gaap Net Income Loss
NetIncomeLoss
-944000 usd
CY2022Q3 us-gaap Net Income Loss
NetIncomeLoss
-2662000 usd
us-gaap Net Income Loss
NetIncomeLoss
-3444000 usd
us-gaap Net Income Loss
NetIncomeLoss
-7969000 usd
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
CY2022Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
1313000 shares
CY2022Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
1313000 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
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
1087000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
1087000 shares
CY2023Q2 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
146000 usd
CY2023Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
1000 usd
CY2022Q3 efoi Standard Product Warranty Accrual Increase Decrease For Warranties Reserve For Replacements
StandardProductWarrantyAccrualIncreaseDecreaseForWarrantiesReserveForReplacements
-23000 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
-17000 usd
CY2023Q3 us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
0 usd
CY2022Q3 us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
-57000 usd
us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
-39000 usd
us-gaap Standard Product Warranty Accrual Preexisting Increase Decrease
StandardProductWarrantyAccrualPreexistingIncreaseDecrease
-29000 usd
CY2023Q3 efoi Standard Product Warranty Accrual Increase Decrease For Payments Recovery Of Settlements
StandardProductWarrantyAccrualIncreaseDecreaseForPaymentsRecoveryOfSettlements
0 usd
CY2022Q3 efoi Standard Product Warranty Accrual Increase Decrease For Payments Recovery Of Settlements
StandardProductWarrantyAccrualIncreaseDecreaseForPaymentsRecoveryOfSettlements
7000 usd
efoi Standard Product Warranty Accrual Increase Decrease For Payments Recovery Of Settlements
StandardProductWarrantyAccrualIncreaseDecreaseForPaymentsRecoveryOfSettlements
0 usd
efoi Standard Product Warranty Accrual Increase Decrease For Payments Recovery Of Settlements
StandardProductWarrantyAccrualIncreaseDecreaseForPaymentsRecoveryOfSettlements
-7000 usd
CY2023Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
147000 usd
CY2022Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
242000 usd
CY2023Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
147000 usd
CY2022Q3 us-gaap Product Warranty Accrual
ProductWarrantyAccrual
242000 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;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For the three months ended September 30, 2023, sales to one U.S. Navy shipbuilders and a distributor to the U.S. Navy accounted for approximately 16% and 26% of net sales, respectively. When sales to our primary distributors for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 42% of net sales for the same period. For the three months ended September 30, 2022, sales to a regional commercial lighting retrofit company accounted for approximately 32% of net sales. When sales to our primary distributors for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, net sales of products for the U.S. Navy comprised less than 10% of net sales for the same period. </span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">For the nine months ended September 30, 2023, sales to a U.S. Navy shipbuilder and a distributor to the Department of Defense accounted for approximately 15% and 14% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 29% of net sales for the same period. For the nine months ended September 30, 2022, sales to our primary distributor for the U.S. Navy, a regional commercial lighting retrofit company, and a commercial building system provider, accounted for approximately 13%, 15%, and 10% of net sales, respectively. When sales to our primary distributor for the U.S. Navy are combined with sales to shipbuilders for the U.S. Navy, total net sales of products for the U.S. Navy comprised approximately 17% of net sales for the same period.</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%">Two distributors for the Department of Defense and a U.S. Navy shipbuilder accounted for approximately 10%, 21% and 10% of net trade accounts receivable, respectively, at September 30, 2023. At December 31, 2022, a distributor for the Department of Defense accounted for 25% of our net trade accounts receivable and a shipbuilder for the U.S. Navy accounted for 30% 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%">One supplier accounted for more than 10% of our total expenditures for the three and nine months ended September 30, 2023. One offshore supplier, which is related party, accounted for approximately 13% and 7%, respectively, of our total expenditures for the three and nine ended September 30, 2023. One offshore supplier accounted for approximately 17% and 18%, respectively, of our total expenditures for the three and nine ended September 30, 2022.</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%">At September 30, 2023, two offshore suppliers accounted for approximately 48% and 22% of our trade accounts payable balance, respectively. At December 31, 2022, one offshore supplier accounted for approximately 36% of our trade accounts payable balance, 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:700;line-height:120%">Recently adopted accounting standard</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%">In June 2016, the Financial Accounting Standards Board issued Accounting Standard Update No. 2016-13, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Financial Instruments - Credit Losses (ASC 326): 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%">, which significantly changes the accounting for credit losses on instruments within its scope. The new guidance introduces an approach based on expected losses to estimate credit losses on certain financial instruments, including trade receivables, and requires an entity to recognize an allowance based on its estimate of expected credit losses rather than incurred losses. For smaller reporting companies, this standard became effective for interim and annual periods starting after December 15, 2022, and has been adopted by the Company. We adopted this guidance during the first quarter of 2023, and it did not have a material impact on our consolidated financial position or results of operations.</span></div>
CY2023Q3 us-gaap Inventory Raw Materials
InventoryRawMaterials
3066000 usd
CY2022Q4 us-gaap Inventory Raw Materials
InventoryRawMaterials
3347000 usd
CY2023Q3 us-gaap Inventory Finished Goods
InventoryFinishedGoods
4295000 usd
CY2022Q4 us-gaap Inventory Finished Goods
InventoryFinishedGoods
4656000 usd
CY2023Q3 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
2460000 usd
CY2022Q4 us-gaap Inventory Valuation Reserves
InventoryValuationReserves
2527000 usd
CY2023Q3 us-gaap Inventory Net
InventoryNet
4901000 usd
CY2022Q4 us-gaap Inventory Net
InventoryNet
5476000 usd
CY2023Q2 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2400000 usd
CY2022Q2 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2792000 usd
CY2023Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-169000 usd
CY2022Q3 efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-241000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-155000 usd
efoi Inventory Valuation Reserves Provision Accrual
InventoryValuationReservesProvisionAccrual
-442000 usd
CY2023Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
109000 usd
CY2022Q3 efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
21000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
222000 usd
efoi Inventory Valuation Reserves Sales Of Inventory
InventoryValuationReservesSalesOfInventory
278000 usd
CY2023Q3 efoi Inventory Valuation Reserves Write Offs
InventoryValuationReservesWriteOffs
0 usd
CY2022Q3 efoi Inventory Valuation Reserves Write Offs
InventoryValuationReservesWriteOffs
353000 usd
efoi Inventory Valuation Reserves Write Offs
InventoryValuationReservesWriteOffs
0 usd
efoi Inventory Valuation Reserves Write Offs
InventoryValuationReservesWriteOffs
555000 usd
CY2023Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2460000 usd
CY2022Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2659000 usd
CY2023Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2460000 usd
CY2022Q3 efoi Inventory Valuation Reserves Raw Materials
InventoryValuationReservesRawMaterials
2659000 usd
CY2021Q3 efoi Payroll Tax Credit Employee Retention Credit Under The Cares Act
PayrollTaxCreditEmployeeRetentionCreditUnderTheCARESAct
431000 usd
CY2023Q2 efoi Payroll Tax Credit Employee Retention Credit Under The Cares Act Current
PayrollTaxCreditEmployeeRetentionCreditUnderTheCARESActCurrent
445000 usd
CY2023Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
1073000 usd
CY2022Q4 us-gaap Operating Lease Liability
OperatingLeaseLiability
1227000 usd
CY2023Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1419000 usd
CY2022Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
1392000 usd
CY2023Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
1340000 usd
CY2022Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization
1316000 usd
CY2023Q3 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
79000 usd
CY2022Q4 us-gaap Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization
PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization
76000 usd
CY2023Q3 us-gaap Depreciation
Depreciation
8000 usd
CY2022Q3 us-gaap Depreciation
Depreciation
42000 usd
us-gaap Depreciation
Depreciation
24000 usd
us-gaap Depreciation
Depreciation
129000 usd
CY2023Q3 us-gaap Lessee Operating Lease Discount Rate
LesseeOperatingLeaseDiscountRate
0.0725
CY2023Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P4Y
CY2023Q3 us-gaap Sublease Income
SubleaseIncome
0 usd
CY2022Q3 us-gaap Sublease Income
SubleaseIncome
9000 usd
us-gaap Sublease Income
SubleaseIncome
0 usd
us-gaap Sublease Income
SubleaseIncome
90000 usd
CY2023Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
122000 usd
CY2022Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
83000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
354000 usd
us-gaap Operating Lease Cost
OperatingLeaseCost
298000 usd
CY2023Q3 efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
122000 usd
CY2022Q3 efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
74000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
354000 usd
efoi Operating Lease Cost Net Of Sublease Income
OperatingLeaseCostNetOfSubleaseIncome
208000 usd
CY2023Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
967000 usd
CY2022Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
1180000 usd
CY2023Q3 efoi Finance Lease Right Of Use Asset Gross
FinanceLeaseRightOfUseAssetGross
13000 usd
CY2022Q4 efoi Finance Lease Right Of Use Asset Gross
FinanceLeaseRightOfUseAssetGross
13000 usd
CY2023Q3 efoi Finance Lease Right Of Use Asset Accumulated Depreciation
FinanceLeaseRightOfUseAssetAccumulatedDepreciation
13000 usd
CY2022Q4 efoi Finance Lease Right Of Use Asset Accumulated Depreciation
FinanceLeaseRightOfUseAssetAccumulatedDepreciation
13000 usd
CY2023Q3 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
0 usd
CY2022Q4 us-gaap Finance Lease Right Of Use Asset
FinanceLeaseRightOfUseAsset
0 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths
378000 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Two
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo
380000 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Three
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree
388000 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Payments Due In Rolling Year Four
LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour
294000 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
1440000 usd
CY2023Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
367000 usd
CY2023Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
1073000 usd
CY2023Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
97000 usd
CY2022Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
86000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
286000 usd
us-gaap Operating Lease Payments
OperatingLeasePayments
326000 usd
CY2023Q3 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
CY2022Q3 us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
0 usd
us-gaap Finance Lease Principal Payments
FinanceLeasePrincipalPayments
1000 usd
CY2020Q3 efoi Debt Instrument Number Of Credit Facilities
DebtInstrumentNumberOfCreditFacilities
2 creditfacility
CY2022Q4 us-gaap Operating Loss Carryforwards
OperatingLossCarryforwards
9200000 usd
CY2021Q4 us-gaap Operating Loss Carryforwards
OperatingLossCarryforwards
9600000 usd
CY2023Q3 us-gaap Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration
DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration
37500000 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
CY2022Q4 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
876447 shares
CY2022Q4 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2023Q3 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
876447 shares
CY2023Q3 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
876447 shares
CY2023Q3 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2022Q4 us-gaap Convertible Preferred Stock Shares Issued Upon Conversion
ConvertiblePreferredStockSharesIssuedUponConversion
25000 shares
CY2023Q3 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
CY2022Q3 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
efoi Class Of Warrant Or Right Warrants Issued
ClassOfWarrantOrRightWarrantsIssued
600018 shares
efoi Class Of Warrant Or Right Warrants Issued
ClassOfWarrantOrRightWarrantsIssued
600018 shares
CY2023Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
-13000 usd
CY2022Q3 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
17000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
36000 usd
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
115000 usd
CY2023Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
100000 usd
CY2022Q3 us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
200000 usd
us-gaap Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
P2Y10M24D
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
47103 shares
CY2022Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
13.78
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
11427 shares
us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
3.04
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
21106 shares
us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
16.80
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod
3827 shares
us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice
17.06
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
33597 shares
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
7.85
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P8Y9M18D
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
27864 shares
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
8.50
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
P8Y8M12D
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
9574 shares
CY2023Q3 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
14.94
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P8Y8M12D
CY2023Q3 us-gaap Purchase Obligation
PurchaseObligation
1500000 usd
CY2023Q3 efoi Purchase Obligation Percentage
PurchaseObligationPercentage
0.89

Files In Submission

Name View Source Status
0000924168-23-000096-index-headers.html Edgar Link pending
0000924168-23-000096-index.html Edgar Link pending
0000924168-23-000096.txt Edgar Link pending
0000924168-23-000096-xbrl.zip Edgar Link pending
a20230930exhibit31110-q.htm Edgar Link pending
a20230930exhibit31210-q.htm Edgar Link pending
a20230930exhibit32110-q.htm Edgar Link pending
efoi-20230930.htm Edgar Link pending
efoi-20230930.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
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
efoi-20230930_lab.xml Edgar Link unprocessable
efoi-20230930_pre.xml Edgar Link unprocessable
FilingSummary.xml Edgar Link unprocessable
efoi-20230930_htm.xml Edgar Link completed
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending
efoi-20230930_def.xml Edgar Link unprocessable
efoi-20230930_cal.xml Edgar Link unprocessable