$ACFN
ACORN ENERGY, INC. Stock $acfn

$acfn Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000149315222022198 Filed on August 12, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$1.783M	$1.621M	$1.751M
YoY Change	4.51%	0.62%	2.7%
Cost Of Revenue	$568.0K	$375.0K	$493.0K
YoY Change	22.41%	-3.6%	-0.4%
Gross Profit	$1.215M	$1.246M	$1.258M
YoY Change	-2.17%	1.96%	3.97%
Gross Profit Margin	68.14%	76.87%	71.84%
Selling, General & Admin	$1.198M	$1.205M	$1.182M
YoY Change	15.41%	15.64%	17.5%
% of Gross Profit	98.6%	96.71%	93.96%
Research & Development	$227.0K	$212.0K	$198.0K
YoY Change	26.82%	21.14%	11.24%
% of Gross Profit	18.68%	17.01%	15.74%
Depreciation & Amortization	$36.00K	$29.00K	$20.00K
YoY Change	89.47%	31.82%	11.11%
% of Gross Profit	2.96%	2.33%	1.59%
Operating Expenses	$1.425M	$1.468M	$1.380M
YoY Change	17.09%	20.62%	16.55%
Operating Profit	-$210.0K	-$222.0K	-$122.0K
YoY Change	-940.0%	-4540.0%	-569.23%
Interest Expense	$0.00	-$1.000K	$0.00
YoY Change		0.0%	-100.0%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$210.0K	-$223.0K	-$122.0K
YoY Change	-940.0%	-5675.0%	-654.55%
Income Tax
% Of Pretax Income
Net Earnings	-$210.0K	-$223.0K	-$122.0K
YoY Change	-1013.04%	-11250.0%	-654.55%
Net Earnings / Revenue	-11.78%	-13.76%	-6.97%
Basic Earnings Per Share	-$0.01	-$0.01	$0.00
Diluted Earnings Per Share	-$5.290K	-$5.619K	-$3.099K
COMMON SHARES
Basic Shares Outstanding	39.69M shares	39.69M shares	39.69K shares
Diluted Shares Outstanding	39.70M shares	39.69M shares	39.69K shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.124M	$1.259M	$1.784M
YoY Change	-44.25%	-35.6%	-9.63%
Cash & Equivalents	$1.124M	$1.259M	$1.784M
Short-Term Investments
Other Short-Term Assets	$258.0K	$221.0K	$1.059M
YoY Change	-72.26%	-74.94%	22.71%
Inventory	$903.0K	$915.0K	$674.0K
Prepaid Expenses
Receivables	$917.0K	$584.0K	$820.0K
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$4.064M	$3.837M	$4.337M
YoY Change	-3.58%	-1.77%	16.37%
LONG-TERM ASSETS
Property, Plant & Equipment	$675.0K	$687.0K	$1.030M
YoY Change	-21.14%	-4.58%	41.29%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$202.0K	$178.0K	$980.0K
YoY Change	-74.33%	-74.61%	57.3%
Total Long-Term Assets	$2.010M	$1.986M	$2.010M
YoY Change	22.34%	39.76%	48.67%
TOTAL ASSETS
Total Short-Term Assets	$4.064M	$3.837M	$4.337M
Total Long-Term Assets	$2.010M	$1.986M	$2.010M
Total Assets	$6.074M	$5.823M	$6.347M
YoY Change	3.69%	9.31%	24.97%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$373.0K	$340.0K	$516.0K
YoY Change	-2.61%	22.74%	73.15%
Accrued Expenses	$157.0K	$156.0K	$336.0K
YoY Change	-52.57%	-50.94%	15.07%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00
YoY Change
Total Short-Term Liabilities	$4.604M	$4.292M	$4.539M
YoY Change	9.57%	11.02%	19.51%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$2.415M	$2.286M	$2.361M
YoY Change	16.72%	19.06%	33.84%
Total Long-Term Liabilities	$2.415M	$2.286M	$2.361M
YoY Change	16.72%	19.06%	33.84%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.604M	$4.292M	$4.539M
Total Long-Term Liabilities	$2.415M	$2.286M	$2.361M
Total Liabilities	$7.019M	$6.578M	$6.908M
YoY Change	11.8%	13.57%	24.09%
SHAREHOLDERS EQUITY
Retained Earnings	-$101.2M	-$101.0M
YoY Change
Common Stock	$103.3M	$103.3M
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.036M	$3.036M
YoY Change
Treasury Stock Shares	801.9K shares	801.9K shares
Shareholders Equity	-$951.0K	-$762.0K	-$561.0K
YoY Change
Total Liabilities & Shareholders Equity	$6.074M	$5.823M	$6.347M
YoY Change	3.69%	9.31%	24.97%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	-$210.0K	-$223.0K	-$122.0K
YoY Change	-1013.04%	-11250.0%	-654.55%
Depreciation, Depletion And Amortization	$36.00K	$29.00K	$20.00K
YoY Change	89.47%	31.82%	11.11%
Cash From Operating Activities	-$117.0K	-$415.0K	$221.0K
YoY Change	-148.75%	-2866.67%	225.0%
INVESTING ACTIVITIES
Capital Expenditures	-$23.00K	-$110.0K	-$159.0K
YoY Change	-87.15%	223.53%	1887.5%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities	-$23.00K	-$110.0K	-$159.0K
YoY Change	-87.15%	223.53%	1887.5%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	5.000K	0.000	0.000
YoY Change			-100.0%
NET CHANGE
Cash From Operating Activities	-117.0K	-415.0K	221.0K
Cash From Investing Activities	-23.00K	-110.0K	-159.0K
Cash From Financing Activities	5.000K	0.000	0.000
Net Change In Cash	-135.0K	-525.0K	62.00K
YoY Change	-321.31%	2663.16%	-169.66%
FREE CASH FLOW
Cash From Operating Activities	-$117.0K	-$415.0K	$221.0K
Capital Expenditures	-$23.00K	-$110.0K	-$159.0K
Free Cash Flow	-$94.00K	-$305.0K	$380.0K
YoY Change	-122.43%	-722.45%	400.0%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	ACFN	Impairment Of Software ImpairmentOfSoftware		usd
	dei	Entity Central Index Key EntityCentralIndexKey	0000880984
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Transition Report DocumentTransitionReport	false
CY2022Q2	us-gaap	Deferred Costs Current DeferredCostsCurrent	858000	usd
CY2021Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	799000	usd
CY2022Q2	us-gaap	Other Assets Current OtherAssetsCurrent	221000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	229000	usd
CY2022Q2	us-gaap	Assets Current AssetsCurrent	3837000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	4243000	usd
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments		usd
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt		usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities		usd
	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants		shares
CY2022Q2	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants		shares
	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption		shares
CY2022Q2	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption		shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised		shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
	ACFN	Share Based Compensation Arrangement By Share Based Payment Award Option Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionForfeituresAndExpirationsInPeriod		shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate		pure
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Entity File Number EntityFileNumber	001-33886
	dei	Entity Registrant Name EntityRegistrantName	ACORN ENERGY, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-2786081
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1000 N West Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 1200
	dei	Entity Address City Or Town EntityAddressCityOrTown	Wilmington
	dei	Entity Address State Or Province EntityAddressStateOrProvince	DE
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19801
	dei	City Area Code CityAreaCode	410
	dei	Local Phone Number LocalPhoneNumber	654-3315
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39687589	shares
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1722000	usd
CY2022Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	584000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	876000	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	915000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	617000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	687000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	517000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	349000	usd
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3036000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-100980000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-100634000	usd
CY2022Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	801920	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	801920	shares
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	399000	usd
CY2022Q2	us-gaap	Deferred Costs DeferredCosts	772000	usd
CY2021Q4	us-gaap	Deferred Costs DeferredCosts	714000	usd
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	178000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	169000	usd
CY2022Q2	us-gaap	Assets Assets	5823000	usd
CY2021Q4	us-gaap	Assets Assets	6042000	usd
CY2022Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	340000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	457000	usd
CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	156000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	164000	usd
CY2022Q2	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3642000	usd
CY2021Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3541000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	107000	usd
CY2022Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	43000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	34000	usd
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	4292000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4303000	usd
CY2022Q2	us-gaap	Deferred Revenue DeferredRevenue	1993000	usd
CY2021Q4	us-gaap	Deferred Revenue DeferredRevenue	1852000	usd
CY2022Q2	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	279000	usd
CY2021Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	336000	usd
CY2022Q2	ACFN	Other Longterm Liabilities OtherLongtermLiabilities	14000	usd
CY2021Q4	ACFN	Other Longterm Liabilities OtherLongtermLiabilities	12000	usd
CY2022Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2286000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2200000	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	42000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	42000000	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39687589	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39687589	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	397000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	397000	usd
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	102857000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	102804000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3036000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	-762000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	-469000	usd
CY2022Q2	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-1000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-755000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-461000	usd
CY2021Q2	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-1000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-345000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5823000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	26000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-223000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4000	usd
	us-gaap	Profit Loss ProfitLoss	-345000	usd
	us-gaap	Profit Loss ProfitLoss	26000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	-223000	usd
CY2022Q2	us-gaap	Minority Interest MinorityInterest	7000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	8000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6042000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	868000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	884000	usd
CY2022Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	375000	usd
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	389000	usd
	us-gaap	Gross Profit GrossProfit	2504000	usd
	us-gaap	Gross Profit GrossProfit	2432000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	1246000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	1222000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	410000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	353000	usd
CY2022Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	212000	usd
CY2021Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	175000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2387000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2048000	usd
CY2022Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1205000	usd
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1042000	usd
	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	51000	usd
CY2022Q2	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	51000	usd
	us-gaap	Operating Expenses OperatingExpenses	2848000	usd
	us-gaap	Operating Expenses OperatingExpenses	2401000	usd
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	us-gaap	Operating Income Loss OperatingIncomeLoss	-344000	usd
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	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-5000	usd
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	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000	usd
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	us-gaap	Net Income Loss NetIncomeLoss	-346000	usd
	us-gaap	Net Income Loss NetIncomeLoss	22000	usd
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CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2000	usd
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	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
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	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39914000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39936000	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-461000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	-122000	usd
CY2022Q1	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	31000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-553000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	-223000	usd
CY2022Q2	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	22000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-755000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-519000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-519000	usd
CY2021Q1	us-gaap	Profit Loss ProfitLoss	22000	usd
CY2021Q1	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15000	usd
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-483000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	4000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	4000	usd
CY2021Q2	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-459000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-459000	usd
	us-gaap	Profit Loss ProfitLoss	-345000	usd
	us-gaap	Profit Loss ProfitLoss	26000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	48000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	37000	usd
	ACFN	Impairment Of Software ImpairmentOfSoftware	51000	usd
	ACFN	Noncash Lease Expense NoncashLeaseExpense	59000	usd
	ACFN	Noncash Lease Expense NoncashLeaseExpense	59000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	53000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	36000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-292000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	98000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	298000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	127000	usd
	ACFN	Increase Decrease In Deferred Cost Of Goods Sold IncreaseDecreaseInDeferredCostOfGoodsSold	117000	usd
	ACFN	Increase Decrease In Deferred Cost Of Goods Sold IncreaseDecreaseInDeferredCostOfGoodsSold	33000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-18000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-125000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-95000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	242000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	165000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-62000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-60000	usd
	ACFN	Increase In Other Current Liabilities And Noncurrent Liabilities IncreaseInOtherCurrentLiabilitiesAndNoncurrentLiabilities	-9000	usd
	ACFN	Increase In Other Current Liabilities And Noncurrent Liabilities IncreaseInOtherCurrentLiabilitiesAndNoncurrentLiabilities	-1000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-194000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	83000	usd
	us-gaap	Payments For Software PaymentsForSoftware	266000	usd
	us-gaap	Payments For Software PaymentsForSoftware	42000	usd
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	3000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-269000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42000	usd
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	-149000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-149000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-463000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-108000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1722000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2063000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1259000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1955000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1000	usd
	us-gaap	Interest Paid Net InterestPaidNet	4000	usd
	ACFN	Accrued Preferred Dividends AccruedPreferredDividends	2000	usd
	ACFN	Accrued Preferred Dividends AccruedPreferredDividends	2000	usd
	us-gaap	Nature Of Operations NatureOfOperations	<p id="xdx_804_eus-gaap--NatureOfOperations_zt9ZetwORwsh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE 1— <span id="xdx_821_zlhdzDsWG1Cd">BASIS OF PRESENTATION</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The accompanying unaudited condensed consolidated financial statements of Acorn Energy, Inc. and its subsidiaries, OmniMetrix, LLC and OMX Holdings, Inc. (collectively, “Acorn” or “the Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and with the instructions to Article 8 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete consolidated financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the six- and three-month periods ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. All dollar amounts are rounded to the nearest thousand and, thus, are approximate.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission on March 31, 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
	us-gaap	Use Of Estimates UseOfEstimates	<p id="xdx_843_eus-gaap--UseOfEstimates_zulZgGtw5ehi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86D_zn87Q8OoEID3">Use of Estimates in Preparation of Financial Statements</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preparation of unaudited condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the unaudited condensed unaudited consolidated financial statements, and the reported amounts of revenues and expenses during the reporting periods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As applicable to these unaudited condensed consolidated financial statements, the most significant estimates and assumptions relate to uncertainties with respect to income taxes, inventories, account receivable allowances, contingencies, revenue recognition, management’s projections and analyses of the possible impairments.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p id="xdx_842_eus-gaap--ConcentrationRiskCreditRisk_zHHWa5MO7o2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_867_z8k5kauSmHhe">Concentrations of Credit Risk</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial instruments, which potentially subject the Company to concentrations of credit risk, consist principally of cash and trade accounts receivable. The Company’s cash was deposited with a U.S. bank and amounted to $<span id="xdx_902_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pp0p0_c20220630_z70PG5zxQZ3a" title="Cash and cash equivalents">1,259,000</span> at June 30, 2022. The Company does not believe there is significant risk of non-performance by these counterparties. For the three- and six-month periods ended June 30, 2022, there were no customers that represented greater than <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220101__20220630__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--RangeAxis__srt--MinimumMember_zyvT2vAmnkrh" title="Concentration risk, percentage">10</span>% of the Company’s total invoiced sales or of our accounts receivable at June 30, 2022. Credit risk with respect to the balance of trade receivables is generally diversified due to the number of entities comprising the Company’s customer base.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-346000	usd
	us-gaap	Net Income Loss NetIncomeLoss	22000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-223000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants	27000	shares
CY2021Q2	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants	27000	shares
	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption	199000	shares
CY2021Q2	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption	221000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39914000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39936000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
CY2022Q2	ACFN	Working Capital WorkingCapital	455000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
CY2022Q2	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3642000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-463000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-269000	usd
	ACFN	Income Loss From Subsidiary Operations IncomeLossFromSubsidiaryOperations	565000	usd
CY2022Q2	us-gaap	Cash Cash	1143000	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	126000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.045	pure
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	390000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.045	pure
	ACFN	Cash Paid For Operating Lease Liabilities CashPaidForOperatingLeaseLiabilities	62000	usd
	ACFN	Cash Paid For Operating Lease Liabilities CashPaidForOperatingLeaseLiabilities	60000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M23D
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	126000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	129000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	131000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	33000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	419000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	390000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111000	usd
CY2021Q3	ACFN	Sublease Payments SubleasePayments	2375	usd
CY2021Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	7000	usd
CY2021Q3	ACFN	Estimated Sublease Payments EstimatedSubleasePayments	6700	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Due Rolling Next Twelve Months FinanceLeaseLiabilitySubleasePaymentsDueRollingNextTwelveMonths	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Two FinanceLeaseLiabilitySubleasePaymentsRollingDueYearTwo	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Three FinanceLeaseLiabilitySubleasePaymentsRollingDueYearThree	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Four FinanceLeaseLiabilitySubleasePaymentsRollingDueYearFour	7000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Due FinanceLeaseLiabilitySubleasePaymentsDue	85000	usd
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39687589	shares
	us-gaap	Gross Profit GrossProfit	2432000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	37000	usd
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	114000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	833020	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.39
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y8M12D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	291000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	145770	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.55
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	978790	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.41
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y7M6D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	126000	usd
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	737579	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0.38
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M6D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	114000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018	pure
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y10M24D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.936	pure
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	59000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segments
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	us-gaap	Gross Profit GrossProfit	2504000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	49000	usd
	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	217000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	493000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	1246000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29000	usd
CY2022Q2	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	49000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	1222000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	22000	usd
CY2021Q2	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	230000	usd
	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
CY2022Q2	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
	ACFN	Net Income Loss Before Income Taxes For Reportable Segments NetIncomeLossBeforeIncomeTaxesForReportableSegments	217000	usd
	ACFN	Net Income Loss Before Income Taxes For Reportable Segments NetIncomeLossBeforeIncomeTaxesForReportableSegments	493000	usd
CY2022Q2	ACFN	Net Income Loss Before Income Taxes For Reportable Segments NetIncomeLossBeforeIncomeTaxesForReportableSegments	49000	usd
CY2021Q2	ACFN	Net Income Loss Before Income Taxes For Reportable Segments NetIncomeLossBeforeIncomeTaxesForReportableSegments	230000	usd
	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-510000	usd
	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-467000	usd
CY2022Q2	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-220000	usd
CY2021Q2	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-226000	usd
	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	-293000	usd
	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	26000	usd
CY2022Q2	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	-171000	usd
CY2021Q2	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	4000	usd
	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
CY2022Q2	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0000880984
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
	dei	Amendment Flag AmendmentFlag	false
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021Q4	ACFN	Contract With Customer Asset Sale Commission ContractWithCustomerAssetSaleCommission	295000	usd
	ACFN	Contract With Customer Asset Additions ContractWithCustomerAssetAdditions	114000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5393000	usd
	dei	Document Transition Report DocumentTransitionReport	false
	ACFN	Contract With Customer Liability Additions ContractWithCustomerLiabilityAdditions	3225000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-2983000	usd
CY2022Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5635000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year One ContractWithCustomerLiabilityRevenueAdditionsInYearOne	3642000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year Two ContractWithCustomerLiabilityRevenueAdditionsInYearTwo	1574000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year Three ContractWithCustomerLiabilityRevenueAdditionsInYearThree	419000	usd
CY2022Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5635000	usd
CY2021Q4	us-gaap	Deferred Sales Inducements Net DeferredSalesInducementsNet	1513000	usd
	ACFN	Contract With Customer Liability Additions Net Of Adjustments ContractWithCustomerLiabilityAdditionsNetOfAdjustments	601000	usd
	ACFN	Contract With Customer Liability Sales Recognized ContractWithCustomerLiabilitySalesRecognized	-484000	usd
CY2022Q2	us-gaap	Deferred Sales Inducements Net DeferredSalesInducementsNet	1630000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year One ContractWithCustomerLiabilityRecognizedCostOfSalesInYearOne	858000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year Two ContractWithCustomerLiabilityRecognizedCostOfSalesInYearTwo	581000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year Three ContractWithCustomerLiabilityRecognizedCostOfSalesInYearThree	191000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales ContractWithCustomerLiabilityRecognizedCostOfSales	1630000	usd
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	84000	usd
CY2022Q2	ACFN	Contract With Customer Asset Sale Commission ContractWithCustomerAssetSaleCommission	325000	usd
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Entity File Number EntityFileNumber	001-33886
	dei	Entity Registrant Name EntityRegistrantName	ACORN ENERGY, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	22-2786081
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1000 N West Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 1200
	dei	Entity Address City Or Town EntityAddressCityOrTown	Wilmington
	dei	Entity Address State Or Province EntityAddressStateOrProvince	DE
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19801
	dei	City Area Code CityAreaCode	410
	dei	Local Phone Number LocalPhoneNumber	654-3315
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39687589	shares
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1722000	usd
CY2022Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	584000	usd
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	876000	usd
CY2022Q2	us-gaap	Inventory Net InventoryNet	915000	usd
CY2021Q4	us-gaap	Inventory Net InventoryNet	617000	usd
CY2022Q2	us-gaap	Deferred Costs Current DeferredCostsCurrent	858000	usd
CY2021Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	799000	usd
CY2022Q2	us-gaap	Other Assets Current OtherAssetsCurrent	221000	usd
CY2021Q4	us-gaap	Other Assets Current OtherAssetsCurrent	229000	usd
CY2022Q2	us-gaap	Assets Current AssetsCurrent	3837000	usd
CY2021Q4	us-gaap	Assets Current AssetsCurrent	4243000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	687000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	517000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	349000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	399000	usd
CY2022Q2	us-gaap	Deferred Costs DeferredCosts	772000	usd
CY2021Q4	us-gaap	Deferred Costs DeferredCosts	714000	usd
CY2022Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	178000	usd
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	169000	usd
CY2022Q2	us-gaap	Assets Assets	5823000	usd
CY2021Q4	us-gaap	Assets Assets	6042000	usd
CY2022Q2	us-gaap	Accounts Payable Current AccountsPayableCurrent	340000	usd
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	457000	usd
CY2022Q2	us-gaap	Minority Interest MinorityInterest	7000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	8000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-755000	usd
CY2022Q2	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	156000	usd
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	164000	usd
CY2022Q2	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3642000	usd
CY2021Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3541000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111000	usd
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	107000	usd
CY2022Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	43000	usd
CY2021Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	34000	usd
CY2022Q2	us-gaap	Liabilities Current LiabilitiesCurrent	4292000	usd
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4303000	usd
CY2022Q2	us-gaap	Deferred Revenue DeferredRevenue	1993000	usd
CY2021Q4	us-gaap	Deferred Revenue DeferredRevenue	1852000	usd
CY2022Q2	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	279000	usd
CY2021Q4	us-gaap	Liabilities Other Than Longterm Debt Noncurrent LiabilitiesOtherThanLongtermDebtNoncurrent	336000	usd
CY2022Q2	ACFN	Other Longterm Liabilities OtherLongtermLiabilities	14000	usd
CY2021Q4	ACFN	Other Longterm Liabilities OtherLongtermLiabilities	12000	usd
CY2022Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2286000	usd
CY2021Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	2200000	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	42000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	42000000	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39687589	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	39687589	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	397000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	397000	usd
CY2022Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	102857000	usd
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	102804000	usd
CY2022Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-100980000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-100634000	usd
CY2022Q2	us-gaap	Treasury Stock Shares TreasuryStockShares	801920	shares
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	801920	shares
CY2022Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3036000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3036000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	-762000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	-469000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-461000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5823000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6042000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	868000	usd
CY2021Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	884000	usd
CY2022Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	375000	usd
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	389000	usd
	us-gaap	Gross Profit GrossProfit	2504000	usd
	us-gaap	Gross Profit GrossProfit	2432000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	1246000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	1222000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	410000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	353000	usd
CY2022Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	212000	usd
CY2021Q2	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	175000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2387000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	2048000	usd
CY2022Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1205000	usd
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	1042000	usd
	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	51000	usd
CY2022Q2	us-gaap	Capitalized Computer Software Impairments1 CapitalizedComputerSoftwareImpairments1	51000	usd
	us-gaap	Operating Expenses OperatingExpenses	2848000	usd
	us-gaap	Operating Expenses OperatingExpenses	2401000	usd
CY2022Q2	us-gaap	Operating Expenses OperatingExpenses	1468000	usd
CY2021Q2	us-gaap	Operating Expenses OperatingExpenses	1217000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-344000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	31000	usd
CY2022Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-222000	usd
CY2021Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	5000	usd
	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-1000	usd
	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-5000	usd
CY2022Q2	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-1000	usd
CY2021Q2	ACFN	Finance Income Expense Net FinanceIncomeExpenseNet	-1000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-345000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	26000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-223000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4000	usd
	us-gaap	Profit Loss ProfitLoss	-345000	usd
	us-gaap	Profit Loss ProfitLoss	26000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	-223000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	4000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-346000	usd
	us-gaap	Net Income Loss NetIncomeLoss	22000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-223000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2000	usd
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39914000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39936000	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-461000	usd
CY2022Q1	us-gaap	Profit Loss ProfitLoss	-122000	usd
CY2022Q1	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	31000	usd
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-553000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	-223000	usd
CY2022Q2	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	22000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-755000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-519000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-519000	usd
CY2021Q1	us-gaap	Profit Loss ProfitLoss	22000	usd
CY2021Q1	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	15000	usd
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-483000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	4000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	4000	usd
CY2021Q2	ACFN	Accrued Dividend In Preferred Shares Of Subsidiary AccruedDividendInPreferredSharesOfSubsidiary	-1000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-459000	usd
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-459000	usd
	us-gaap	Profit Loss ProfitLoss	-345000	usd
	us-gaap	Profit Loss ProfitLoss	26000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	48000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	37000	usd
	ACFN	Impairment Of Software ImpairmentOfSoftware	51000	usd
	ACFN	Noncash Lease Expense NoncashLeaseExpense	59000	usd
	ACFN	Noncash Lease Expense NoncashLeaseExpense	59000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	53000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	36000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-292000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	98000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	298000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	127000	usd
	ACFN	Increase Decrease In Deferred Cost Of Goods Sold IncreaseDecreaseInDeferredCostOfGoodsSold	117000	usd
	ACFN	Increase Decrease In Deferred Cost Of Goods Sold IncreaseDecreaseInDeferredCostOfGoodsSold	33000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-18000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-125000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-95000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	242000	usd
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	165000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-62000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-60000	usd
	ACFN	Increase In Other Current Liabilities And Noncurrent Liabilities IncreaseInOtherCurrentLiabilitiesAndNoncurrentLiabilities	-9000	usd
	ACFN	Increase In Other Current Liabilities And Noncurrent Liabilities IncreaseInOtherCurrentLiabilitiesAndNoncurrentLiabilities	-1000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-194000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	83000	usd
	us-gaap	Payments For Software PaymentsForSoftware	266000	usd
	us-gaap	Payments For Software PaymentsForSoftware	42000	usd
	us-gaap	Payments For Proceeds From Investments PaymentsForProceedsFromInvestments	3000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-269000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-42000	usd
	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	-149000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-149000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-463000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-108000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1722000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2063000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1259000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1955000	usd
	us-gaap	Interest Paid Net InterestPaidNet	1000	usd
	us-gaap	Interest Paid Net InterestPaidNet	4000	usd
	ACFN	Accrued Preferred Dividends AccruedPreferredDividends	2000	usd
	ACFN	Accrued Preferred Dividends AccruedPreferredDividends	2000	usd
	us-gaap	Nature Of Operations NatureOfOperations	<p id="xdx_804_eus-gaap--NatureOfOperations_zt9ZetwORwsh" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b>NOTE 1— <span id="xdx_821_zlhdzDsWG1Cd">BASIS OF PRESENTATION</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The accompanying unaudited condensed consolidated financial statements of Acorn Energy, Inc. and its subsidiaries, OmniMetrix, LLC and OMX Holdings, Inc. (collectively, “Acorn” or “the Company”) have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial information and with the instructions to Article 8 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete consolidated financial statements. In the opinion of management, all adjustments (consisting of normal recurring adjustments) considered necessary for a fair presentation have been included. Operating results for the six- and three-month periods ended June 30, 2022 are not necessarily indicative of the results that may be expected for the year ending December 31, 2022. All dollar amounts are rounded to the nearest thousand and, thus, are approximate.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">These unaudited condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2021, filed with the Securities and Exchange Commission on March 31, 2022.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
	us-gaap	Use Of Estimates UseOfEstimates	<p id="xdx_843_eus-gaap--UseOfEstimates_zulZgGtw5ehi" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_86D_zn87Q8OoEID3">Use of Estimates in Preparation of Financial Statements</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">The preparation of unaudited condensed consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities as of the date of the unaudited condensed unaudited consolidated financial statements, and the reported amounts of revenues and expenses during the reporting periods.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">As applicable to these unaudited condensed consolidated financial statements, the most significant estimates and assumptions relate to uncertainties with respect to income taxes, inventories, account receivable allowances, contingencies, revenue recognition, management’s projections and analyses of the possible impairments.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p id="xdx_842_eus-gaap--ConcentrationRiskCreditRisk_zHHWa5MO7o2" style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"><b><span id="xdx_867_z8k5kauSmHhe">Concentrations of Credit Risk</span></b></span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Financial instruments, which potentially subject the Company to concentrations of credit risk, consist principally of cash and trade accounts receivable. The Company’s cash was deposited with a U.S. bank and amounted to $<span id="xdx_902_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pp0p0_c20220630_z70PG5zxQZ3a" title="Cash and cash equivalents">1,259,000</span> at June 30, 2022. The Company does not believe there is significant risk of non-performance by these counterparties. For the three- and six-month periods ended June 30, 2022, there were no customers that represented greater than <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_pid_dp_uPure_c20220101__20220630__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--RangeAxis__srt--MinimumMember_zyvT2vAmnkrh" title="Concentration risk, percentage">10</span>% of the Company’s total invoiced sales or of our accounts receivable at June 30, 2022. Credit risk with respect to the balance of trade receivables is generally diversified due to the number of entities comprising the Company’s customer base.</span></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0pt 0pt 0; text-align: justify; text-indent: 0.5in"><span style="font-family: Times New Roman, Times, Serif; font-size: 10pt"> </span></p>
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-346000	usd
	us-gaap	Net Income Loss NetIncomeLoss	22000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-223000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	2000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	39688000	shares
	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants	27000	shares
CY2021Q2	ACFN	Weighted Average Number Of Shares Outstanding Warrants WeightedAverageNumberOfSharesOutstandingWarrants	27000	shares
	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption	199000	shares
CY2021Q2	ACFN	Weighted Average Number Of Shares Outstanding Stock Option WeightedAverageNumberOfSharesOutstandingStockOption	221000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39914000	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39688000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	39936000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.00
CY2022Q2	ACFN	Working Capital WorkingCapital	455000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1259000	usd
CY2022Q2	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	3642000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-463000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-269000	usd
	ACFN	Income Loss From Subsidiary Operations IncomeLossFromSubsidiaryOperations	565000	usd
CY2022Q2	us-gaap	Cash Cash	1143000	usd
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	126000	usd
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	114000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.045	pure
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	390000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.045	pure
	ACFN	Cash Paid For Operating Lease Liabilities CashPaidForOperatingLeaseLiabilities	62000	usd
	ACFN	Cash Paid For Operating Lease Liabilities CashPaidForOperatingLeaseLiabilities	60000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y2M23D
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths	126000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Two LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearTwo	129000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Three LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearThree	131000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due In Rolling Year Four LesseeOperatingLeaseLiabilityPaymentsDueInRollingYearFour	33000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	419000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	29000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	390000	usd
CY2022Q2	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111000	usd
CY2021Q3	ACFN	Sublease Payments SubleasePayments	2375	usd
CY2021Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	7000	usd
CY2021Q3	ACFN	Estimated Sublease Payments EstimatedSubleasePayments	6700	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Due Rolling Next Twelve Months FinanceLeaseLiabilitySubleasePaymentsDueRollingNextTwelveMonths	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Two FinanceLeaseLiabilitySubleasePaymentsRollingDueYearTwo	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Three FinanceLeaseLiabilitySubleasePaymentsRollingDueYearThree	26000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Rolling Due Year Four FinanceLeaseLiabilitySubleasePaymentsRollingDueYearFour	7000	usd
CY2022Q2	ACFN	Finance Lease Liability Sublease Payments Due FinanceLeaseLiabilitySubleasePaymentsDue	85000	usd
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	39687589	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	833020	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.39
	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-467000	usd
CY2022Q2	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-220000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y8M12D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	291000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	145770	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0.55
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	978790	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.41
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y7M6D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	126000	usd
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	737579	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	0.38
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y1M6D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	114000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.018	pure
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P3Y10M24D
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.936	pure
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	59000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segments
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	us-gaap	Gross Profit GrossProfit	2504000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	49000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
	us-gaap	Gross Profit GrossProfit	2432000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	37000	usd
	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	493000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
CY2022Q2	us-gaap	Gross Profit GrossProfit	1246000	usd
CY2022Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	29000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
CY2021Q2	us-gaap	Gross Profit GrossProfit	1222000	usd
CY2021Q2	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	22000	usd
CY2021Q2	ACFN	Segment Income Loss Before Income Taxes SegmentIncomeLossBeforeIncomeTaxes	230000	usd
	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
CY2022Q2	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-510000	usd
CY2021Q2	ACFN	Unallocated Cost Of Corporate Headquarters UnallocatedCostOfCorporateHeadquarters	-226000	usd
	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	-293000	usd
	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	26000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales ContractWithCustomerLiabilityRecognizedCostOfSales	1630000	usd
CY2022Q2	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	-171000	usd
CY2021Q2	ACFN	Consolidated Net Loss Income Before Income Taxes ConsolidatedNetLossIncomeBeforeIncomeTaxes	4000	usd
	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
CY2022Q2	ACFN	Segment Income Before Income Taxes SegmentIncomeBeforeIncomeTaxes	51000000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3372000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3316000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1621000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1611000	usd
CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5393000	usd
	ACFN	Contract With Customer Liability Additions ContractWithCustomerLiabilityAdditions	3225000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	-2983000	usd
CY2022Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5635000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year One ContractWithCustomerLiabilityRevenueAdditionsInYearOne	3642000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year Two ContractWithCustomerLiabilityRevenueAdditionsInYearTwo	1574000	usd
CY2022Q2	ACFN	Contract With Customer Liability Revenue Additions In Year Three ContractWithCustomerLiabilityRevenueAdditionsInYearThree	419000	usd
CY2022Q2	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	5635000	usd
CY2021Q4	us-gaap	Deferred Sales Inducements Net DeferredSalesInducementsNet	1513000	usd
	ACFN	Contract With Customer Liability Additions Net Of Adjustments ContractWithCustomerLiabilityAdditionsNetOfAdjustments	601000	usd
	ACFN	Contract With Customer Liability Sales Recognized ContractWithCustomerLiabilitySalesRecognized	-484000	usd
CY2022Q2	us-gaap	Deferred Sales Inducements Net DeferredSalesInducementsNet	1630000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year One ContractWithCustomerLiabilityRecognizedCostOfSalesInYearOne	858000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year Two ContractWithCustomerLiabilityRecognizedCostOfSalesInYearTwo	581000	usd
CY2022Q2	ACFN	Contract With Customer Liability Recognized Cost Of Sales In Year Three ContractWithCustomerLiabilityRecognizedCostOfSalesInYearThree	191000	usd
CY2021Q4	ACFN	Contract With Customer Asset Sale Commission ContractWithCustomerAssetSaleCommission	295000	usd
	ACFN	Contract With Customer Asset Additions ContractWithCustomerAssetAdditions	114000	usd
	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	84000	usd
CY2022Q2	ACFN	Contract With Customer Asset Sale Commission ContractWithCustomerAssetSaleCommission	325000	usd

Files In Submission

Name	View Source	Status
0001493152-22-022198-index-headers.html	Edgar Link	pending
0001493152-22-022198-index.html	Edgar Link	pending
0001493152-22-022198.txt	Edgar Link	pending
0001493152-22-022198-xbrl.zip	Edgar Link	pending
acfn-20220630.xsd	Edgar Link	pending
ex31-1.htm	Edgar Link	pending
ex31-2.htm	Edgar Link	pending
ex32-1.htm	Edgar Link	pending
ex32-2.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
form10-q.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
acfn-20220630_lab.xml	Edgar Link	unprocessable
acfn-20220630_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
acfn-20220630_cal.xml	Edgar Link	unprocessable
form10-q_htm.xml	Edgar Link	completed
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
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R6.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
acfn-20220630_def.xml	Edgar Link	unprocessable

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ACORN ENERGY, INC. Stock $acfn

2022 Q3 Form 10-Q Financial Statement

#000149315222022198 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ACFN ACORN ENERGY, INC. Stock $acfn

2022 Q3 Form 10-Q Financial Statement

#000149315222022198 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ACFN
ACORN ENERGY, INC. Stock $acfn