$GWH
ESS Tech, Inc. Stock $gwh

$gwh Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000162828023038916 Filed on November 14, 2023

Income Statement

Concept	2023 Q4	2023 Q3	2022 Q4
Revenue	$2.796M	$1.545M	$16.00K
YoY Change	17375.0%	704.69%
Cost Of Revenue	$10.31M	$10.18M
YoY Change
Gross Profit	-$7.516M	-$8.638M
YoY Change		-4598.96%
Gross Profit Margin	-268.81%	-559.09%
Selling, General & Admin	$7.707M	$7.887M	$8.623M
YoY Change	-10.62%	1.17%	-57.73%
% of Gross Profit
Research & Development	$3.842M	$1.609M	$22.79M
YoY Change	-83.14%	-92.01%	112.41%
% of Gross Profit
Depreciation & Amortization	$3.326M	$1.100M	$695.0K
YoY Change	378.56%	207.26%	313.69%
% of Gross Profit
Operating Expenses	$11.55M	$9.496M	$31.41M
YoY Change	-63.23%	-65.99%	0.91%
Operating Profit	-$19.07M	-$18.13M
YoY Change		-34.61%
Interest Expense	$2.900M	$1.500M	$1.188M
YoY Change	144.11%	92.06%	-95.31%
% of Operating Profit
Other Income/Expense, Net	$35.00K	$1.516M	$5.133M
YoY Change	-99.32%	-139.21%	-102.94%
Pretax Income	-$16.13M	-$16.62M	-$25.08M
YoY Change	-35.67%	-47.4%	-86.1%
Income Tax		$0.00
% Of Pretax Income
Net Earnings	-$16.13M	-$16.62M	-$25.08M
YoY Change	-35.67%	-47.41%	-86.1%
Net Earnings / Revenue	-576.9%	-1075.6%	-156718.75%
Basic Earnings Per Share		-$0.11
Diluted Earnings Per Share	-$0.09	-$0.11	-$0.16
COMMON SHARES
Basic Shares Outstanding	173.0M shares	155.6M shares	153.3M shares
Diluted Shares Outstanding		157.1M shares

Balance Sheet

Concept	2023 Q4	2023 Q3	2022 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$108.1M	$124.5M	$139.8M
YoY Change	-22.71%	-25.33%	-41.49%
Cash & Equivalents	$20.17M	$37.17M	$34.77M
Short-Term Investments	$87.90M	$87.30M	$105.0M
Other Short-Term Assets	$3.601M	$3.100M	$6.870M
YoY Change	-47.58%	-29.94%	4.44%
Inventory	$3.366M	$2.256M	$0.00
Prepaid Expenses
Receivables	$2.243M	$1.265M	$4.952M
Other Receivables	$824.0K	$0.00	$0.00
Total Short-Term Assets	$118.1M	$131.4M	$151.6M
YoY Change	-22.12%	-23.25%	-38.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$18.43M	$17.99M	$17.57M
YoY Change	4.91%	12.78%	290.36%
Goodwill
YoY Change
Intangibles	$4.923M	$4.990M	$0.00
YoY Change
Long-Term Investments
YoY Change
Other Assets	$1.778M	$824.0K	$271.0K
YoY Change	556.09%	170.16%	158.1%
Total Long-Term Assets	$25.13M	$27.23M	$21.92M
YoY Change	14.68%	32.05%	368.21%
TOTAL ASSETS
Total Short-Term Assets	$118.1M	$131.4M	$151.6M
Total Long-Term Assets	$25.13M	$27.23M	$21.92M
Total Assets	$143.2M	$158.7M	$173.6M
YoY Change	-17.47%	-17.31%	-30.63%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.755M	$3.192M	$3.036M
YoY Change	-9.26%	192.58%	93.13%
Accrued Expenses	$13.79M	$13.40M	$15.78M
YoY Change	-12.63%	-6.3%	143.22%
Deferred Revenue	$2.500M	$1.400M	$6.168M
YoY Change	-59.47%	-60.52%	68.39%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$0.00	$0.00	$1.600M
YoY Change	-100.0%	-100.0%	-15.79%
Total Short-Term Liabilities	$19.77M	$18.64M	$27.99M
YoY Change	-29.39%	-15.76%	105.5%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$315.0K
YoY Change	-100.0%		-83.15%
Other Long-Term Liabilities	$20.11M	$0.00	$85.00K
YoY Change	23557.65%	-100.0%	-84.6%
Total Long-Term Liabilities	$20.11M	$0.00	$400.0K
YoY Change	4927.25%	-100.0%	-83.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$19.77M	$18.64M	$27.99M
Total Long-Term Liabilities	$20.11M	$0.00	$400.0K
Total Liabilities	$39.88M	$42.20M	$36.58M
YoY Change	9.01%	25.59%	-18.79%
SHAREHOLDERS EQUITY
Retained Earnings	-$696.2M	-$680.0M	-$618.6M
YoY Change	12.54%	14.58%	14.42%
Common Stock	$18.00K	$18.00K	$16.00K
YoY Change	12.5%	12.5%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$103.4M	$116.5M	$137.0M
YoY Change
Total Liabilities & Shareholders Equity	$143.2M	$158.7M	$173.6M
YoY Change	-17.47%	-17.31%	-30.63%

Cashflow Statement

Concept	2023 Q4	2023 Q3	2022 Q4
OPERATING ACTIVITIES
Net Income	-$16.13M	-$16.62M	-$25.08M
YoY Change	-35.67%	-47.41%	-86.1%
Depreciation, Depletion And Amortization	$3.326M	$1.100M	$695.0K
YoY Change	378.56%	207.26%	313.69%
Cash From Operating Activities	-$16.15M	-$1.220M	-$25.00M
YoY Change	-35.42%	-94.48%	6.36%
INVESTING ACTIVITIES
Capital Expenditures	$1.581M	$770.0K	$2.994M
YoY Change	-47.19%	-128.28%	-220.77%
Acquisitions
YoY Change
Other Investing Activities	$653.0K	-$17.15M	$19.76M
YoY Change	-96.7%	-60.91%
Cash From Investing Activities	-$928.0K	-$17.92M	$16.77M
YoY Change	-105.53%	-61.54%	-776.44%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	65.00K	26.03M	148.0K
YoY Change	-56.08%	-4974.53%	-99.94%
NET CHANGE
Cash From Operating Activities	-16.15M	-1.220M	-25.00M
Cash From Investing Activities	-928.0K	-17.92M	16.77M
Cash From Financing Activities	65.00K	26.03M	148.0K
Net Change In Cash	-17.01M	6.890M	-8.083M
YoY Change	110.42%	-109.95%	-103.5%
FREE CASH FLOW
Cash From Operating Activities	-$16.15M	-$1.220M	-$25.00M
Capital Expenditures	$1.581M	$770.0K	$2.994M
Free Cash Flow	-$17.73M	-$1.990M	-$27.99M
YoY Change	-36.68%	-89.72%	33.13%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q3	us-gaap	Government Assistance Current Statement Of Financial Position Extensible Enumeration GovernmentAssistanceCurrentStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#PrepaidExpenseAndOtherAssetsCurrent
CY2023Q3	us-gaap	Notes Payable Current NotesPayableCurrent	0	usd
CY2022Q4	us-gaap	Notes Payable Current NotesPayableCurrent	1600000	usd
CY2023Q3	us-gaap	Liabilities Current LiabilitiesCurrent	18639000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	27993000	usd
CY2023Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	0	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	315000	usd
CY2023Q3	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	1365000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	2535000	usd
CY2023Q3	ghw	Common Stock Warrant Liabilities CommonStockWarrantLiabilities	2292000	usd
CY2022Q4	ghw	Common Stock Warrant Liabilities CommonStockWarrantLiabilities	3209000	usd
CY2023Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	85000	usd
CY2023Q3	us-gaap	Liabilities Liabilities	42201000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	36579000	usd
CY2023Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2023Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2023Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
CY2023Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	173007592	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	173007592	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	153821339	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	153821339	shares
CY2023Q3	us-gaap	Common Stock Value CommonStockValue	18000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	16000	usd
CY2023Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	796469000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	755537000	usd
CY2023Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-680027000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-618579000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	116460000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	136974000	usd
CY2023Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	158661000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	173553000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1545000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	192000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4744000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	878000	usd
CY2023Q3	us-gaap	Cost Of Revenue CostOfRevenue	10183000	usd
CY2022Q3	us-gaap	Cost Of Revenue CostOfRevenue	0	usd
	us-gaap	Cost Of Revenue CostOfRevenue	10183000	usd
CY2023Q3	us-gaap	Gross Profit GrossProfit	-8638000	usd
	us-gaap	Gross Profit GrossProfit	878000	usd
CY2022Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	20127000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	38790000	usd
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	49190000	usd
CY2023Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	2056000	usd
CY2022Q3	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1815000	usd
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	5648000	usd
	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	5217000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5831000	usd
CY2022Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5981000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	16963000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	20567000	usd
CY2023Q3	us-gaap	Operating Expenses OperatingExpenses	9496000	usd
CY2022Q3	us-gaap	Operating Expenses OperatingExpenses	27923000	usd
	us-gaap	Operating Expenses OperatingExpenses	61401000	usd
	us-gaap	Operating Expenses OperatingExpenses	74974000	usd
CY2023Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-18134000	usd
CY2022Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-27731000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-66840000	usd
	us-gaap	Operating Income Loss OperatingIncomeLoss	-74096000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1155000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	781000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	3737000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	999000	usd
CY2023Q3	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-344000	usd
CY2022Q3	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	4585000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-917000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-20515000	usd
CY2023Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	17000	usd
CY2022Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-62000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	738000	usd
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-312000	usd
CY2023Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1516000	usd
CY2022Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-3866000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	5392000	usd
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	21202000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-61448000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-61448000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-52894000	usd
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.21
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.21
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.40
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.35
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152861300	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152861300	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155377648	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155377648	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152427346	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152427346	shares
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	205159000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	47000	usd
CY2022Q1	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	2808000	usd
CY2022Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2760000	usd
CY2022Q1	us-gaap	Net Income Loss NetIncomeLoss	-5709000	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	199449000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	48000	usd
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2945000	usd
CY2022Q2	us-gaap	Net Income Loss NetIncomeLoss	-15588000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	186854000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2998000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-31597000	usd
CY2022Q3	us-gaap	Stockholders Equity StockholdersEquity	158262000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	136974000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	104000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2059000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-21901000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	117236000	usd
CY2023Q2	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	268000	usd
CY2023Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2725000	usd
CY2023Q2	us-gaap	Net Income Loss NetIncomeLoss	-22929000	usd
CY2023Q2	us-gaap	Stockholders Equity StockholdersEquity	97300000	usd
CY2023Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	31000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2889000	usd
CY2023Q3	ghw	Sale Of Stock Issuance Costs SaleOfStockIssuanceCosts	368000	usd
CY2023Q3	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	32858000	usd
CY2023Q3	us-gaap	Net Income Loss NetIncomeLoss	-16618000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	116460000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-61448000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-52894000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3187000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	828000	usd
	ghw	Non Cash Interest Income NonCashInterestIncome	-2438000	usd
	ghw	Non Cash Interest Income NonCashInterestIncome	-527000	usd
	ghw	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	916000	usd
	ghw	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	841000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	7673000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	8703000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	11422000	usd
	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-917000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-20515000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	34000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-306000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-3874000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-437000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	13132000	usd
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	0	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3701000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1497000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	275000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1604000	usd
	ghw	Increase Decrease In Accrued Liabilities And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherCurrentLiabilities	-4305000	usd
	ghw	Increase Decrease In Accrued Liabilities And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherCurrentLiabilities	5525000	usd
	ghw	Increase Decrease In Product Warranty Accrual IncreaseDecreaseInProductWarrantyAccrual	993000	usd
	ghw	Increase Decrease In Product Warranty Accrual IncreaseDecreaseInProductWarrantyAccrual	1148000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	12532000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-117000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-1050000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-248000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-38751000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-56620000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4209000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11186000	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-20208000	usd
	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	123467000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	15999000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-134653000	usd
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	27132000	usd
	us-gaap	Proceeds From Issuance Of Warrants ProceedsFromIssuanceOfWarrants	0	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	1733000	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	1500000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	236000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	102000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	332000	usd
	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	165000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2808000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-214000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-15000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	25588000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4221000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2836000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-195494000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36655000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	240232000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39491000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	44738000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1246000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1213000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	747000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1718000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4534000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	123000	usd
	ghw	Common Stock Warrants Issued For The Acquisition Of Intangible Assets CommonStockWarrantsIssuedForTheAcquisitionOfIntangibleAssets	4990000	usd
	ghw	Common Stock Warrants Issued For The Acquisition Of Intangible Assets CommonStockWarrantsIssuedForTheAcquisitionOfIntangibleAssets	0	usd
CY2023Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	37173000	usd
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	42896000	usd
CY2023Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1373000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1167000	usd
CY2023Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	945000	usd
CY2022Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	675000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	39491000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	44738000	usd
	ghw	Battery Flexible Energy Capacity Minimum BatteryFlexibleEnergyCapacityMinimum	4	h
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reclassifications</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—Certain immaterial prior year amounts have been reclassified to conform with current year presentation. These reclassifications had no effect on the reported results of operations.</span>
CY2023Q3	us-gaap	Inventory Raw Materials InventoryRawMaterials	4805000	usd
CY2022Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	0	usd
CY2023Q3	us-gaap	Inventory Work In Process InventoryWorkInProcess	8327000	usd
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	0	usd
CY2023Q3	us-gaap	Inventory Finished Goods InventoryFinishedGoods	0	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	0	usd
CY2023Q3	us-gaap	Inventory Gross InventoryGross	13132000	usd
CY2022Q4	us-gaap	Inventory Gross InventoryGross	0	usd
CY2023Q3	us-gaap	Inventory Adjustments InventoryAdjustments	10876000	usd
CY2023Q3	us-gaap	Inventory Net InventoryNet	2256000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	0	usd
CY2023Q3	us-gaap	Inventory Write Down InventoryWriteDown	11400000	usd
CY2022Q3	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
	us-gaap	Inventory Write Down InventoryWriteDown	0	usd
CY2023Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	24009000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	20411000	usd
CY2023Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6023000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	2841000	usd
CY2023Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17986000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17570000	usd
	us-gaap	Depreciation Depreciation	3200000	usd
	us-gaap	Depreciation Depreciation	815000	usd
CY2023Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	4160000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2948000	usd
CY2023Q3	ghw	Materials And Related Purchases Current MaterialsAndRelatedPurchasesCurrent	2624000	usd
CY2022Q4	ghw	Materials And Related Purchases Current MaterialsAndRelatedPurchasesCurrent	6892000	usd
CY2023Q3	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1206000	usd
CY2022Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1011000	usd
CY2023Q3	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	922000	usd
CY2022Q4	us-gaap	Customer Refund Liability Current CustomerRefundLiabilityCurrent	770000	usd
CY2023Q3	ghw	Accrued Capital Expenditures AccruedCapitalExpenditures	330000	usd
CY2022Q4	ghw	Accrued Capital Expenditures AccruedCapitalExpenditures	1093000	usd
CY2023Q3	ghw	Other Accrued Liability And Other Liabilities Current OtherAccruedLiabilityAndOtherLiabilitiesCurrent	604000	usd
CY2022Q4	ghw	Other Accrued Liability And Other Liabilities Current OtherAccruedLiabilityAndOtherLiabilitiesCurrent	1411000	usd
CY2023Q3	ghw	Accrued Liabilities And Other Current Liabilities AccruedLiabilitiesAndOtherCurrentLiabilities	9846000	usd
CY2022Q4	ghw	Accrued Liabilities And Other Current Liabilities AccruedLiabilitiesAndOtherCurrentLiabilities	14125000	usd
CY2023Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	5103000	usd
CY2022Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1158000	usd
CY2022Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1643000	usd
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	0	usd
CY2023Q3	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	231000	usd
CY2022Q3	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	348000	usd
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	5409000	usd
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	2153000	usd
CY2023Q3	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	103000	usd
CY2022Q3	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	358000	usd
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	1172000	usd
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	1005000	usd
CY2023Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-2595000	usd
CY2022Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-3244000	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
CY2023Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2636000	usd
CY2022Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1148000	usd
CY2023Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	2636000	usd
CY2022Q3	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1148000	usd
CY2023Q3	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	75000	usd
CY2023Q3	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	29151075	shares
CY2022Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	11473727	shares
	ghw	Class Of Warrant Or Right Grants In Period ClassOfWarrantOrRightGrantsInPeriod	17677348	shares
	ghw	Class Of Warrant Or Right Exercises In Period ClassOfWarrantOrRightExercisesInPeriod	0	shares
CY2023Q3	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	29151075	shares
CY2021Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	11461247	shares
	ghw	Class Of Warrant Or Right Grants In Period ClassOfWarrantOrRightGrantsInPeriod	12500	shares
	ghw	Class Of Warrant Or Right Exercises In Period ClassOfWarrantOrRightExercisesInPeriod	20	shares
CY2022Q3	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	11473727	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	12500	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	12500	shares
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8703000	usd
CY2023Q3	ghw	Share Based Compensation Arrangement By Share Based Payment Awards Potential Increase In Shares Authorized Percentage Of Shares Outstanding ShareBasedCompensationArrangementByShareBasedPaymentAwardsPotentialIncreaseInSharesAuthorizedPercentageOfSharesOutstanding	0.05
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3223109	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.01
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y4M20D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4583000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	378110	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	1.61
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	700631	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0.34
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	298766	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.46
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2601822	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.34
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y6M29D
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2894000	usd
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	1947123	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	0.76
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P7Y21D
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	3244000	usd
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	1665973	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	1.07
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P5Y11M4D
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	2202000	usd
CY2023Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	28200000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y11M12D
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1545000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	192000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4744000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	878000	usd
CY2023Q3	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	304000	usd
CY2022Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	11000	usd
CY2023Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	21329000	usd
CY2022Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	8610000	usd
	us-gaap	Increase Decrease In Contract With Customer Asset IncreaseDecreaseInContractWithCustomerAsset	293000	usd
	ghw	Contract With Customer Liability Period Increase Decrease ContractWithCustomerLiabilityPeriodIncreaseDecrease	12700000	usd
	ghw	Contract With Customer Liability Advance Payment ContractWithCustomerLiabilityAdvancePayment	17800000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	4600000	usd
	ghw	Contract With Customer Liability Deposits Returned To Customers ContractWithCustomerLiabilityDepositsReturnedToCustomers	506000	usd
	ghw	Contract With Customer Liability Change In Estimate Of Variable Consideration ContractWithCustomerLiabilityChangeInEstimateOfVariableConsideration	244000	usd
CY2023Q3	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1400000	usd
CY2023Q3	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	19900000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-16618000	usd
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-16618000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-31597000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-31597000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-61448000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-61448000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-52894000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-52894000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	157076260	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	157076260	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152861300	shares
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152861300	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155377648	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155377648	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152427346	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152427346	shares
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.11
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.11
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.21
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.21
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.40
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.35
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	45595543	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	45595543	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21095676	shares
CY2022Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	21095676	shares
CY2023Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0001628280-23-038916-index-headers.html	Edgar Link	pending
0001628280-23-038916-index.html	Edgar Link	pending
0001628280-23-038916.txt	Edgar Link	pending
0001628280-23-038916-xbrl.zip	Edgar Link	pending
exhibit311-ceocertq32023.htm	Edgar Link	pending
exhibit312-cfocertq32023.htm	Edgar Link	pending
exhibit321-ceocertq32023.htm	Edgar Link	pending
exhibit322-cfocertq32023.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
ghw-20230930.htm	Edgar Link	pending
ghw-20230930.xsd	Edgar Link	pending
ghw-20230930_g1.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
projectwindy-commonstockan.htm	Edgar Link	pending
projectwindy-investmentwar.htm	Edgar Link	pending
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$GWH
ESS Tech, Inc. Stock $gwh

2023 Q4 Form 10-Q Financial Statement

#000162828023038916 Filed on November 14, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GWH ESS Tech, Inc. Stock $gwh

2023 Q4 Form 10-Q Financial Statement

#000162828023038916 Filed on November 14, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GWH
ESS Tech, Inc. Stock $gwh