$GWH
ESS Tech, Inc. Stock $gwh

$gwh Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000162828022022530 Filed on August 12, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2022 Q1
Revenue	$192.0K	$686.0K	$0.00
YoY Change
Cost Of Revenue	$0.00
YoY Change
Gross Profit	$192.0K
YoY Change
Gross Profit Margin	100.0%
Selling, General & Admin	$7.796M	$8.697M	$9.290M
YoY Change	131.75%	121.19%	252.96%
% of Gross Profit	4060.42%
Research & Development	$20.13M	$16.17M	$12.90M
YoY Change	162.34%	159.8%	128.2%
% of Gross Profit	10482.81%
Depreciation & Amortization	$358.0K	$261.0K	$196.0K
YoY Change	-11.39%	94.78%	50.77%
% of Gross Profit	186.46%
Operating Expenses	$27.92M	$24.86M	$22.19M
YoY Change	153.02%	144.85%	167.84%
Operating Profit	-$27.73M	-$24.18M	-$22.19M
YoY Change	151.28%	138.09%	167.84%
Interest Expense	$781.0K	$685.0K	$29.00K
YoY Change	-102.04%	-111.21%	-49.12%
% of Operating Profit
Other Income/Expense, Net	-$3.866M	$8.588M	$16.48M
YoY Change	92.91%	-110.7%	-111.24%
Pretax Income	-$31.60M	-$15.59M	-$5.709M
YoY Change	-38.44%	129.91%	-161.79%
Income Tax	$0.00	$0.00	$0.00
% Of Pretax Income
Net Earnings	-$31.60M	-$15.59M	-$5.709M
YoY Change	-38.44%	-82.76%	-96.31%
Net Earnings / Revenue	-16456.77%	-2272.3%
Basic Earnings Per Share	-$0.21	-$0.10	-$0.04
Diluted Earnings Per Share	-$0.21	-$0.10	-$0.04
COMMON SHARES
Basic Shares Outstanding	153.3M shares	152.7M shares	151.7M shares
Diluted Shares Outstanding	152.9M shares	152.7M shares	151.7M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2022 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$166.7M	$192.2M	$212.3M
YoY Change	1979.29%	640446.67%	66253.44%
Cash & Equivalents	$42.90M	$112.7M	$212.3M
Short-Term Investments	$123.8M	$79.46M
Other Short-Term Assets	$4.425M	$4.663M	$5.573M
YoY Change	-42.7%	2019.55%	2222.08%
Inventory
Prepaid Expenses
Receivables	$80.00K	$2.490M	$2.928M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$171.2M	$199.4M	$220.8M
YoY Change	987.81%	78995.32%	38642.46%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.95M	$12.46M	$10.06M
YoY Change	694.62%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$305.0K	$234.0K	$261.0K
YoY Change	306.67%	474.35%	-99.9%
Total Long-Term Assets	$20.62M	$16.75M	$14.65M
YoY Change	890.44%	-93.3%	-94.14%
TOTAL ASSETS
Total Short-Term Assets	$171.2M	$199.4M	$220.8M
Total Long-Term Assets	$20.62M	$16.75M	$14.65M
Total Assets	$191.9M	$216.1M	$235.5M
YoY Change	976.44%	-13.66%	-6.05%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.091M	$1.435M	$1.745M
YoY Change	-64.08%	329.56%	4262.5%
Accrued Expenses	$14.30M	$9.959M	$6.598M
YoY Change	211.23%	10065.36%	3781.18%
Deferred Revenue	$3.546M	$6.803M	$6.859M
YoY Change	14.09%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.306M	$2.828M	$1.817M
YoY Change	-90.15%
Total Short-Term Liabilities	$22.13M	$22.01M	$18.35M
YoY Change	-28.74%	4037.72%	8239.09%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$1.483M
YoY Change	-100.0%
Other Long-Term Liabilities	$91.00K	$96.00K	$101.0K
YoY Change	-99.96%	-99.64%	-99.51%
Total Long-Term Liabilities	$91.00K	$96.00K	$1.584M
YoY Change	-99.96%	-99.64%	-92.32%
TOTAL LIABILITIES
Total Short-Term Liabilities	$22.13M	$22.01M	$18.35M
Total Long-Term Liabilities	$91.00K	$96.00K	$1.584M
Total Liabilities	$33.60M	$29.27M	$36.04M
YoY Change	-88.23%	7.35%	72.91%
SHAREHOLDERS EQUITY
Retained Earnings	-$593.5M	-$561.9M	-$546.3M
YoY Change		31370.97%	-11028.28%
Common Stock	$16.00K	$16.00K	$16.00K
YoY Change		-99.76%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$158.3M	$186.9M	$199.4M
YoY Change
Total Liabilities & Shareholders Equity	$191.9M	$216.1M	$235.5M
YoY Change	976.44%	-13.66%	-6.06%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2022 Q1
OPERATING ACTIVITIES
Net Income	-$31.60M	-$15.59M	-$5.709M
YoY Change	-38.44%	-82.76%	-96.31%
Depreciation, Depletion And Amortization	$358.0K	$261.0K	$196.0K
YoY Change	-11.39%	94.78%	50.77%
Cash From Operating Activities	-$22.09M	-$15.16M	-$19.37M
YoY Change	-20.84%	5127.24%	198.84%
INVESTING ACTIVITIES
Capital Expenditures	-$2.723M	-$4.422M	$4.041M
YoY Change	845.49%		2938.35%
Acquisitions
YoY Change
Other Investing Activities	-$43.87M	-$79.60M
YoY Change
Cash From Investing Activities	-$46.59M	-$84.02M	-$4.041M
YoY Change	16077.43%		2938.35%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-534.0K	-443.0K	-$3.244M
YoY Change	-101.69%		-127.31%
NET CHANGE
Cash From Operating Activities	-22.09M	-15.16M	-$19.37M
Cash From Investing Activities	-46.59M	-84.02M	-$4.041M
Cash From Financing Activities	-534.0K	-443.0K	-$3.244M
Net Change In Cash	-69.21M	-99.62M	-$26.66M
YoY Change	-2161.72%	34252.76%	-606.63%
FREE CASH FLOW
Cash From Operating Activities	-$22.09M	-$15.16M	-$19.37M
Capital Expenditures	-$2.723M	-$4.422M	$4.041M
Free Cash Flow	-$19.36M	-$10.74M	-$23.42M
YoY Change	-29.88%		253.91%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001819438
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Amendment Flag AmendmentFlag	false
CY2022Q2	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://essinc.com/20220630#AccruedLiabilitiesAndOtherCurrentLiabilities
CY2022Q2	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilitiesNoncurrent
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	153266010	shares
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-39525
	dei	Entity Registrant Name EntityRegistrantName	ESS Tech, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-1550150
	dei	Entity Address Address Line1 EntityAddressAddressLine1	26440 SW Parkway Ave.
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Bldg. 83
	dei	Entity Address City Or Town EntityAddressCityOrTown	Wilsonville
	dei	Entity Address State Or Province EntityAddressStateOrProvince	OR
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	97070
	dei	City Area Code CityAreaCode	855
	dei	Local Phone Number LocalPhoneNumber	423-9920
	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	true
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CY2020Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	-27888000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	29516000	usd
CY2021Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	518000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	356000	usd
CY2021Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	129000	usd
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-154918000	usd
CY2021Q1	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q1	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	-152287000	usd
CY2021Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	136000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	13000	usd
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	231000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	-90442000	usd
CY2021Q2	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	-242349000	usd
CY2021Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	205159000	usd
CY2022Q1	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	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	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2022Q1	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2022Q1	us-gaap	Stockholders Equity StockholdersEquity	199449000	usd
CY2022Q2	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	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	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2022Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	186854000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-21297000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-245360000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	463000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	264000	usd
	ghw	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	555000	usd
	ghw	Noncash Operating Lease Expense NoncashOperatingLeaseExpense	0	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	5705000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	360000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-162000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	-23823000	usd
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	14804000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	0	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-211988000	usd
	ghw	Proceeds From Payments For Contingent Consideration Liability Operating Activities ProceedsFromPaymentsForContingentConsiderationLiabilityOperatingActivities	-1278000	usd
	ghw	Proceeds From Payments For Contingent Consideration Liability Operating Activities ProceedsFromPaymentsForContingentConsiderationLiabilityOperatingActivities	0	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-83000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-46000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-1841000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	0	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-1336000	usd
	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2597000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-786000	usd
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1382000	usd
	ghw	Increase Decrease In Accrued Liabilities And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherCurrentLiabilities	1961000	usd
	ghw	Increase Decrease In Accrued Liabilities And Other Current Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherCurrentLiabilities	2948000	usd
	ghw	Increase Decrease In Product Warranty Accrual IncreaseDecreaseInProductWarrantyAccrual	1158000	usd
	ghw	Increase Decrease In Product Warranty Accrual IncreaseDecreaseInProductWarrantyAccrual	0	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	7000	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-687000	usd
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	0	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	74000	usd
	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	1141000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-34533000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-15024000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8463000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	173000	usd
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	79599000	usd
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-88062000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-173000	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	967000	usd
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	198000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	95000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	654000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	2808000	usd
	us-gaap	Proceeds From Issuance Of Redeemable Convertible Preferred Stock ProceedsFromIssuanceOfRedeemableConvertiblePreferredStock	0	usd
	us-gaap	Proceeds From Issuance Of Redeemable Convertible Preferred Stock ProceedsFromIssuanceOfRedeemableConvertiblePreferredStock	11461000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-3687000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	11917000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-126282000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-3280000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	240232000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6394000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	113950000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3114000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	806000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	0	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	556000	usd
	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	47000	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 Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	123000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
	ghw	Noncash Or Partial Noncash Transaction Extinguishment Of Derivative Liabilities Upon Sale Of Equity NoncashOrPartialNoncashTransactionExtinguishmentOfDerivativeLiabilitiesUponSaleOfEquity	0	usd
	ghw	Noncash Or Partial Noncash Transaction Extinguishment Of Derivative Liabilities Upon Sale Of Equity NoncashOrPartialNoncashTransactionExtinguishmentOfDerivativeLiabilitiesUponSaleOfEquity	18055000	usd
	ghw	Noncash Or Partial Noncash Transaction Extinguishment Of Warrant Liabilities Upon Exercise Of Redeemable Convertible Preferred Stock Warrants NoncashOrPartialNoncashTransactionExtinguishmentOfWarrantLiabilitiesUponExerciseOfRedeemableConvertiblePreferredStockWarrants	0	usd
	ghw	Noncash Or Partial Noncash Transaction Extinguishment Of Warrant Liabilities Upon Exercise Of Redeemable Convertible Preferred Stock Warrants NoncashOrPartialNoncashTransactionExtinguishmentOfWarrantLiabilitiesUponExerciseOfRedeemableConvertiblePreferredStockWarrants	369000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	112708000	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1822000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1167000	usd
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	1217000	usd
CY2022Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	75000	usd
CY2021Q2	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	75000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	113950000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3114000	usd
CY2021Q4	ghw	Recapitalization Exchange Ratio RecapitalizationExchangeRatio	0.0147
	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 prior year amounts have been reclassified to conform with current year presentation.</span>
	us-gaap	Use Of Estimates UseOfEstimates	Use of Estimates—The preparation of the condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates, judgments and assumptions that affect the reported amounts of assets and liabilities and disclosure of commitments and contingencies as of the date of the condensed consolidated financial statements and the reported amounts of expenses during the reporting periods. Such estimates relate to, among others, the useful lives and assessment of recoverability of property and equipment, deferred tax assets valuation, determination of the fair value of the Company’s investments, earnout warrant liabilities and private warrants, product warranty liabilities, as well as other accruals. These estimates are based on historical trends, market pricing, current events and other relevant assumptions and data points. Actual results could differ from those estimates and such differences may be material to the condensed consolidated financial statements.
CY2022Q2	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-185000	usd
	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-185000	usd
CY2022Q2	us-gaap	Prepaid Insurance PrepaidInsurance	1235000	usd
CY2021Q4	ghw	Common Stock And Preferred Stock Shares Authorized CommonStockAndPreferredStockSharesAuthorized	2200000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	200000000	shares
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-15588000	usd
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-15588000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-90442000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-90442000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-21297000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-21297000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-245360000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-245360000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152723980	shares
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152723980	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	67132287	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	67132287	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	152206773	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	152206773	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	64427702	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	64427702	shares
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.10
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.10
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.35
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.14
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.14
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.81
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.81
CY2022Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	20617562	shares
CY2021Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8018127	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	20617562	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8018127	shares
CY2021Q4	us-gaap	Prepaid Insurance PrepaidInsurance	3482000	usd
CY2022Q2	us-gaap	Supplies Supplies	2039000	usd
CY2021Q4	us-gaap	Supplies Supplies	1103000	usd
CY2022Q2	ghw	Other Prepaid Expense And Other Assets Current OtherPrepaidExpenseAndOtherAssetsCurrent	222000	usd
CY2021Q4	ghw	Other Prepaid Expense And Other Assets Current OtherPrepaidExpenseAndOtherAssetsCurrent	259000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	3496000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	4844000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	14379000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	6221000	usd
CY2022Q2	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1918000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	1720000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12461000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4501000	usd
CY2022Q2	us-gaap	Depreciation Depreciation	261000	usd
CY2021Q2	us-gaap	Depreciation Depreciation	134000	usd
	us-gaap	Depreciation Depreciation	457000	usd
	us-gaap	Depreciation Depreciation	264000	usd
CY2022Q2	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	2351000	usd
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	1876000	usd
CY2022Q2	ghw	Materials And Related Purchases Current MaterialsAndRelatedPurchasesCurrent	4289000	usd
CY2021Q4	ghw	Materials And Related Purchases Current MaterialsAndRelatedPurchasesCurrent	2108000	usd
CY2022Q2	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	0	usd
CY2021Q4	us-gaap	Deferred Rent Credit Current DeferredRentCreditCurrent	142000	usd
CY2022Q2	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	816000	usd
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	1820000	usd
CY2022Q2	ghw	Other Accrued Liability And Other Liabilities Current OtherAccruedLiabilityAndOtherLiabilitiesCurrent	989000	usd
CY2021Q4	ghw	Other Accrued Liability And Other Liabilities Current OtherAccruedLiabilityAndOtherLiabilitiesCurrent	541000	usd
CY2022Q2	ghw	Accrued Liabilities And Other Current Liabilities AccruedLiabilitiesAndOtherCurrentLiabilities	8445000	usd
CY2021Q4	ghw	Accrued Liabilities And Other Current Liabilities AccruedLiabilitiesAndOtherCurrentLiabilities	6487000	usd
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	0	usd
	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	1805000	usd
	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	647000	usd
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	0	usd
CY2022Q2	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	1158000	usd
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q2	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0	usd
CY2022Q2	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P60M
CY2022Q2	us-gaap	Operating Lease Expense OperatingLeaseExpense	371000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	741000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y1M6D
CY2022Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.075
CY2022Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y9M18D
CY2022Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.075
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	582000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	141000	usd
CY2022Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	23000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	4609000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	818000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	14000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1670000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	30000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1720000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	30000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	983000	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	30000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	0	usd
CY2022Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	30000	usd
CY2022Q2	ghw	Lessee Operating Lease Liability To Be Paid Due After Year Four LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour	0	usd
CY2022Q2	ghw	Finance Lease Liability To Be Paid Due After Year Four FinanceLeaseLiabilityToBePaidDueAfterYearFour	7000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5191000	usd
CY2022Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	118000	usd
CY2022Q2	us-gaap	Long Term Debt LongTermDebt	2828000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	3769000	usd
CY2022Q2	us-gaap	Long Term Debt Current LongTermDebtCurrent	2828000	usd
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1900000	usd
CY2022Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	0	usd
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1869000	usd
CY2022Q2	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	75000	usd
CY2021Q4	ghw	Recapitalization Exchange Ratio RecapitalizationExchangeRatio	0.0147
CY2021Q2	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-73847000	usd
	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-211988000	usd
CY2021Q4	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	11461247	shares
	ghw	Class Of Warrant Or Right Grants In Period ClassOfWarrantOrRightGrantsInPeriod	0	shares
	ghw	Class Of Warrant Or Right Exercises In Period ClassOfWarrantOrRightExercisesInPeriod	20	shares
CY2022Q2	us-gaap	Class Of Warrant Or Right Outstanding ClassOfWarrantOrRightOutstanding	11461227	shares
CY2022Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2945000	usd
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	231000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	5705000	usd
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	360000	usd
CY2022Q2	ghw	Share Based Compensation Arrangement By Share Based Payment Award Potential Increase In Shares Authorized Number ShareBasedCompensationArrangementByShareBasedPaymentAwardPotentialIncreaseInSharesAuthorizedNumber	15260000	shares
CY2022Q2	ghw	Share Based Compensation Arrangement By Share Based Payment Awards Potential Increase In Shares Authorized Percentage Of Shares Outstanding ShareBasedCompensationArrangementByShareBasedPaymentAwardsPotentialIncreaseInSharesAuthorizedPercentageOfSharesOutstanding	0.05
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	17610000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P3Y
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	11875872	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3796530	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0.83
CY2022Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y29D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	40274000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	65717	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	8.00
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	306095	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.14
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	43819	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0.40
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3512333	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	1.02
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y10M9D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	6292000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	1827374	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	0.31
CY2022Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P7Y2M12D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	20337000	usd
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	1732878	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice	0.66
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P7Y4M13D
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	3730000	usd
CY2022Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	26361000	usd
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y11M15D
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	usd
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	234607000	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	usd
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	234607000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	usd
CY2021Q2	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
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	686000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	0	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	686000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	0	usd
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	3663000	usd
	ghw	Contract With Customer Liability Deferred Revenue ContractWithCustomerLiabilityDeferredRevenue	3826000	usd
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	686000	usd
	ghw	Contract With Customer Liability Change In Estimate Of Variable Consideration ContractWithCustomerLiabilityChangeInEstimateOfVariableConsideration	0	usd
CY2022Q2	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	6803000	usd
CY2022Q2	us-gaap	Accounts Receivable Related Parties AccountsReceivableRelatedParties	57000	usd

Files In Submission

Name	View Source	Status
0001628280-22-022530-index-headers.html	Edgar Link	pending
0001628280-22-022530-index.html	Edgar Link	pending
0001628280-22-022530.txt	Edgar Link	pending
0001628280-22-022530-xbrl.zip	Edgar Link	pending
exhibit311-ceocertq22022.htm	Edgar Link	pending
exhibit312-cfocertq22022.htm	Edgar Link	pending
exhibit321-ceocertq22022.htm	Edgar Link	pending
exhibit322-cfocertq22022.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
ghw-20220630.htm	Edgar Link	pending
ghw-20220630.xsd	Edgar Link	pending
ghw-20220630_g1.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
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R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
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R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
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R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
ghw-20220630_cal.xml	Edgar Link	unprocessable
ghw-20220630_def.xml	Edgar Link	unprocessable
ghw-20220630_lab.xml	Edgar Link	unprocessable
ghw-20220630_pre.xml	Edgar Link	unprocessable
ghw-20220630_htm.xml	Edgar Link	completed
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
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R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
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R55.htm	Edgar Link	pending
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R64.htm	Edgar Link	pending
R65.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
FilingSummary.xml	Edgar Link	unprocessable

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$GWH
ESS Tech, Inc. Stock $gwh

2022 Q3 Form 10-Q Financial Statement

#000162828022022530 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GWH ESS Tech, Inc. Stock $gwh

2022 Q3 Form 10-Q Financial Statement

#000162828022022530 Filed on August 12, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GWH
ESS Tech, Inc. Stock $gwh