$ARQ
Arq, Inc. Stock $arq

$arq Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000151515624000036 Filed on March 12, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$21.74M	$28.10M	$99.18M
YoY Change	4.49%	20.06%	-3.69%
Cost Of Revenue	$13.71M	$14.11M	$67.32M
YoY Change	-20.16%	-19.28%	-16.33%
Gross Profit	$8.027M	$14.00M	$31.86M
YoY Change	121.13%	135.83%	41.46%
Gross Profit Margin	36.92%	49.81%	32.12%
Selling, General & Admin	$7.666M	$7.664M	$37.38M
YoY Change	-36.2%	0.07%	32.85%
% of Gross Profit	95.5%	54.75%	117.34%
Research & Development	$1.625M		$3.300M
YoY Change	121.99%		725.0%
% of Gross Profit	20.24%		10.36%
Depreciation & Amortization	$1.716M	$3.263M	$10.54M
YoY Change	-19.7%	97.64%	64.32%
% of Gross Profit	21.38%	23.31%	33.09%
Operating Expenses	$11.01M	$10.90M	$112.5M
YoY Change	-61.56%	17.02%	-2.21%
Operating Profit	-$2.980M	$3.104M	-$13.34M
YoY Change	-61.93%	-192.0%	10.5%
Interest Expense	$791.0K	-$748.0K	$3.014M
YoY Change	48.13%	-409.09%	797.02%
% of Operating Profit		-24.1%
Other Income/Expense, Net	-$439.0K	$1.120M	$1.239M
YoY Change	-253.5%	543.68%	-63.13%
Pretax Income	-$3.419M	$3.476M	-$12.10M
YoY Change	-54.66%	-217.51%	38.91%
Income Tax	$0.00	$186.0K	$153.0K
% Of Pretax Income		5.35%
Net Earnings	-$3.419M	$3.447M	-$12.25M
YoY Change	-54.46%	-208.84%	37.37%
Net Earnings / Revenue	-15.73%	12.27%	-12.35%
Basic Earnings Per Share	-$0.09		-$0.42
Diluted Earnings Per Share	-$0.09	$0.11	-$0.42
COMMON SHARES
Basic Shares Outstanding	33.24M shares	33.18M shares	29.10M shares
Diluted Shares Outstanding	37.06M shares		29.10M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$35.23M	$45.36M	$45.36M
YoY Change	-48.22%	-31.72%	-31.72%
Cash & Equivalents	$35.23M	$45.36M	$45.36M
Short-Term Investments
Other Short-Term Assets	$4.201M	$5.215M	$5.215M
YoY Change	-34.41%	-30.82%	-30.82%
Inventory	$21.68M	$19.69M	$19.69M
Prepaid Expenses	$1.436M	$2.430M
Receivables	$10.93M	$16.19M	$16.15M
Other Receivables	$0.00	$41.00K	$41.00K
Total Short-Term Assets	$72.04M	$86.46M	$86.46M
YoY Change	-31.21%	-18.17%	-18.17%
LONG-TERM ASSETS
Property, Plant & Equipment	$122.8M	$114.6M	$114.6M
YoY Change	31.0%	130.49%	130.49%
Goodwill
YoY Change
Intangibles	$7.793M	$7.899M
YoY Change	-7.49%	832.59%
Long-Term Investments
YoY Change
Other Assets	$45.32M	$45.60M	$26.57M
YoY Change	8.47%	48.79%	6.5%
Total Long-Term Assets	$157.8M	$149.0M	$149.0M
YoY Change	22.08%	97.4%	97.4%
TOTAL ASSETS
Total Short-Term Assets	$72.04M	$86.46M	$86.46M
Total Long-Term Assets	$157.8M	$149.0M	$149.0M
Total Assets	$229.8M	$235.5M	$235.5M
YoY Change	-1.78%	29.99%	29.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.54M	$14.60M	$14.60M
YoY Change	2.39%	-9.34%	-9.34%
Accrued Expenses	$1.823M	$1.944M	$1.944M
YoY Change	-28.62%	-28.63%	-28.63%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.535M	$2.653M	$2.653M
YoY Change	57.36%	134.57%	134.57%
Total Short-Term Liabilities	$21.97M	$23.05M	$23.05M
YoY Change	9.59%	-3.5%	-3.5%
LONG-TERM LIABILITIES
Long-Term Debt	$18.13M	$18.27M	$18.27M
YoY Change	-9.9%	429.68%	429.68%
Other Long-Term Liabilities	$14.54M	$15.78M	$15.78M
YoY Change	6.54%	13.93%	13.93%
Total Long-Term Liabilities	$32.67M	$34.05M	$34.05M
YoY Change	-3.25%	145.86%	96.83%
TOTAL LIABILITIES
Total Short-Term Liabilities	$21.97M	$23.05M	$23.05M
Total Long-Term Liabilities	$32.67M	$34.05M	$34.05M
Total Liabilities	$54.63M	$57.10M	$57.10M
YoY Change	1.53%	38.65%	38.65%
SHAREHOLDERS EQUITY
Retained Earnings	$68.12M	$71.54M
YoY Change	-10.7%	-14.78%
Common Stock	$38.00K	$38.00K
YoY Change	18.75%	58.33%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$175.2M	$178.4M	$178.4M
YoY Change
Total Liabilities & Shareholders Equity	$229.8M	$235.5M	$235.5M
YoY Change	-1.78%	29.99%	29.99%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$3.419M	$3.447M	-$12.25M
YoY Change	-54.46%	-208.84%	37.37%
Depreciation, Depletion And Amortization	$1.716M	$3.263M	$10.54M
YoY Change	-19.7%	97.64%	64.32%
Cash From Operating Activities	$526.0K	$4.497M	-$16.65M
YoY Change	-102.97%	-170.12%	174.76%
INVESTING ACTIVITIES
Capital Expenditures	$9.647M	$11.35M	$30.21M
YoY Change	169.24%	281.51%	218.06%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$111.0K	$1.671M
YoY Change	-100.0%	-66.57%	-65.82%
Cash From Investing Activities	-$9.647M	-$11.24M	-$28.54M
YoY Change	233.0%	325.25%	519.25%
FINANCING ACTIVITIES
Cash Dividend Paid			$0.00
YoY Change			-100.0%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$1.013M	-431.0K	$22.91M
YoY Change	-104.36%	28.27%	-1464.44%
NET CHANGE
Cash From Operating Activities	$526.0K	4.497M	-$16.65M
Cash From Investing Activities	-$9.647M	-11.24M	-$28.54M
Cash From Financing Activities	-$1.013M	-431.0K	$22.91M
Net Change In Cash	-$10.13M	-7.169M	-$22.28M
YoY Change	-481.26%	-23.66%	80.43%
FREE CASH FLOW
Cash From Operating Activities	$526.0K	$4.497M	-$16.65M
Capital Expenditures	$9.647M	$11.35M	$30.21M
Free Cash Flow	-$9.121M	-$6.849M	-$46.86M
YoY Change	-57.15%	-27.04%	201.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	47692000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	103698000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	83949000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	139979000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	181164000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	102987000	usd
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001515156
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CY2022Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssetsNoncurrent
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssetsNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesCurrent
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilitiesNoncurrent
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-37822
CY2023	dei	Entity Registrant Name EntityRegistrantName	ARQ, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-5472457
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	8051 E. Maplewood Ave
CY2023	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 210
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Greenwood Village
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	CO
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	80111
CY2023	dei	City Area Code CityAreaCode	720
CY2023	dei	Local Phone Number LocalPhoneNumber	598-3500
CY2023	dei	Security12b Title Security12bTitle	Common stock, par value $0.001 per share
CY2023	dei	Trading Symbol TradingSymbol	ARQ
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	true
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	45800000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	33238436	shares
CY2023	dei	Auditor Firm AuditorFirmId	659
CY2023	dei	Auditor Name AuditorName	Moss Adams LLP
CY2023	dei	Auditor Location AuditorLocation	Denver, Colorado
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CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	147301000	usd
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1981000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	388000	usd
CY2022	arq	Accrued Dividends Cancelled Common Stock AccruedDividendsCancelledCommonStock	2000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-8917000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	139979000	usd
CY2023	arq	Stock Issued During Period Value Conversion Of Preferred Stock StockIssuedDuringPeriodValueConversionOfPreferredStock	18926000	usd
CY2023	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	15220000	usd
CY2023	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	12437000	usd
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2648000	usd
CY2023	arq	Stock Issued During Period Value Common Stock Issued To Related Party StockIssuedDuringPeriodValueCommonStockIssuedToRelatedParty	1000000	usd
CY2023	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	230000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	826000	usd
CY2023	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	157000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-12249000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	178400000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-12249000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2709000	usd
CY2023	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	2695000	usd
CY2022	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	2648000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-8917000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10543000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6416000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	2757000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	1981000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1623000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3541000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	546000	usd
CY2022	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	0	usd
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-111000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	530000	usd
CY2023	arq	Increase Decreasein Accounts Receivableand Increase Decreasein Accounts Receivable Related Parties IncreaseDecreaseinAccountsReceivableandIncreaseDecreaseinAccountsReceivableRelatedParties	2264000	usd
CY2022	arq	Increase Decreasein Accounts Receivableand Increase Decreasein Accounts Receivable Related Parties IncreaseDecreaseinAccountsReceivableandIncreaseDecreaseinAccountsReceivableRelatedParties	-1169000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4777000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	876000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2571000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9686000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	4762000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-245000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-12061000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-911000	usd
CY2023	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	-184000	usd
CY2022	us-gaap	Increase Decrease In Other Current Liabilities IncreaseDecreaseInOtherCurrentLiabilities	1008000	usd
CY2023	arq	Increase Decreasein Operating Lease Liabilities IncreaseDecreaseinOperatingLeaseLiabilities	-168000	usd
CY2022	arq	Increase Decreasein Operating Lease Liabilities IncreaseDecreaseinOperatingLeaseLiabilities	1521000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	764000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-6000	usd
CY2023	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	0	usd
CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	2297000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-16653000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-6061000	usd
CY2023	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	27516000	usd
CY2022	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	8914000	usd
CY2023	arq	Mine Development Costs MineDevelopmentCosts	2690000	usd
CY2022	arq	Mine Development Costs MineDevelopmentCosts	583000	usd
CY2023	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	2225000	usd
CY2022	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	0	usd
CY2023	arq	Disposal Group Payment Of Liabilities Assumed DisposalGroupPaymentOfLiabilitiesAssumed	2177000	usd
CY2022	arq	Disposal Group Payment Of Liabilities Assumed DisposalGroupPaymentOfLiabilitiesAssumed	0	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	1623000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	3636000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1253000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-28535000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4608000	usd
CY2023	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	8522000	usd
CY2022	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	0	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1130000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1246000	usd
CY2023	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	473000	usd
CY2022	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	230000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	388000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	0	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	45000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	22909000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1679000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-22279000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-12348000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76432000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	88780000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54153000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	76432000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	1727000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	334000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-1697000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3000	usd
CY2023	us-gaap	Asset Acquisition Consideration Transferred Equity Interest Issued And Issuable AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable	31206000	usd
CY2022	us-gaap	Asset Acquisition Consideration Transferred Equity Interest Issued And Issuable AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable	0	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	914000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	532000	usd
CY2023	us-gaap	Dividends Preferred Stock Paidinkind DividendsPreferredStockPaidinkind	157000	usd
CY2022	us-gaap	Dividends Preferred Stock Paidinkind DividendsPreferredStockPaidinkind	0	usd
CY2023	arq	Noncash Or Part Noncash Acquisition Investments Acquired Through Finance Leases NoncashOrPartNoncashAcquisitionInvestmentsAcquiredThroughFinanceLeases	0	usd
CY2022	arq	Noncash Or Part Noncash Acquisition Investments Acquired Through Finance Leases NoncashOrPartNoncashAcquisitionInvestmentsAcquiredThroughFinanceLeases	1641000	usd
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">As of December 31, 2023, the Company holds cash that exceed the Federal Deposit Insurance Corporation ("FDIC") limits (currently $250 thousand) at two financial institutions. If a financial institution was unable to perform its obligations, the Company would be at risk regarding the amount of cash held in excess of the FDIC limits.</span></div>
CY2023Q4	arq	Time Deposits250000 Or More TimeDeposits250000OrMore	250000	usd
CY2023Q4	arq	Number Of Financial Institutions NumberOfFinancialInstitutions	2	institution
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	0	usd
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	29104000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18453000	shares
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	10742000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	7899000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	2932000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	847000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	800000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	400000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-12249000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-8917000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	29104000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18453000	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	3300000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	2100000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.42
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.48
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.42
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.48
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1700000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	600000	shares
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of the Company’s consolidated financial statements in conformity with accounting principles generally accepted in the United States ("GAAP") requires the Company’s management to make estimates and assumptions that affect the amounts reported in these financial statements and accompanying notes. Actual results could differ from those estimates. Significant financial statement components in which the Company makes assumptions include: </span></div><div style="margin-top:5pt;padding-left:56.25pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">business combinations, including asset acquisitions;</span></div><div style="margin-top:5pt;padding-left:56.25pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">the carrying value of its long-lived assets;</span></div><div style="margin-top:5pt;padding-left:56.25pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">AROs; and </span></div><div style="margin-top:5pt;padding-left:56.25pt;text-align:justify;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:14.5pt">income taxes, including the valuation allowance for deferred tax assets and assessment of uncertain tax positions.</span></div>
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain balances have been reclassified from prior years to conform to the current year presentation. Such reclassifications had no effect on the Company’s results of operations or financial position in any of the periods presented.</span></div>
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2023Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q1	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2023Q2	us-gaap	Dividends Preferred Stock Paidinkind DividendsPreferredStockPaidinkind	200000	usd
CY2023Q1	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	3842315	shares
CY2023Q1	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	15400000	usd
CY2023Q1	us-gaap	Sale Of Stock Price Per Share SaleOfStockPricePerShare	4.00
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	94649000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	34855000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1700000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2600000	usd
CY2023	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	99183000	usd
CY2022	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-75788000	usd
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	9524000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	9479000	usd
CY2023Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	10169000	usd
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	8349000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	19693000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	17828000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	113942000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	46752000	usd
CY2023Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	19293000	usd
CY2022Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	11897000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2700000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2000000	usd
CY2023	us-gaap	Depreciation Depreciation	8500000	usd
CY2022	us-gaap	Depreciation Depreciation	4900000	usd
CY2023	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	Credit terms are generally net 30 - 45 days from the date of invoice
CY2023Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	41000	usd
CY2022Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	75000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	16192000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	13864000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	3465000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4581000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	22992000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	4581000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	815000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	0	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1250000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	0	usd
CY2023Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	20927000	usd
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	4581000	usd
CY2023Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	2653000	usd
CY2022Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1131000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	18274000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3450000	usd
CY2023Q1	arq	Debt Instrument Post Transaction From Exercise Of Warrant DebtInstrumentPostTransactionFromExerciseOfWarrant	0.010
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10592000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7734000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1944000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2724000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8870000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	5133000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10814000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	7857000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	1694000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2565000	usd
CY2023Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	2131000	usd
CY2022Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	1131000	usd
CY2023Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	1334000	usd
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	3450000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	3465000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4581000	usd
CY2023Q4	arq	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	5100000	usd
CY2022Q4	arq	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	4400000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2700000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	2000000	usd
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	5900000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	4400000	usd
CY2023	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	714000	usd
CY2022	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	818000	usd
CY2023	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	258000	usd
CY2022	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	307000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	4035000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	3436000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	1642000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	989000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	231000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	19000	usd
CY2023	us-gaap	Lease Cost LeaseCost	6880000	usd
CY2022	us-gaap	Lease Cost LeaseCost	5569000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	258000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	307000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	2887000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	2923000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1130000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1246000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	1641000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2719000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4444000	usd
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y9M18D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y9M18D
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y7M6D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y1M6D
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.059
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.059
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.113
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.069
CY2022Q4	us-gaap	Prepaid Taxes PrepaidTaxes	2573000	usd
CY2023Q4	arq	Other Assets Current Other OtherAssetsCurrentOther	2436000	usd
CY2022Q4	arq	Other Assets Current Other OtherAssetsCurrentOther	2395000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	5215000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3139000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2274000	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due Next Twelve Months LesseeLeasesLiabilityPaymentsDueNextTwelveMonths	5413000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2930000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	935000	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due Year Two LesseeLeasesLiabilityPaymentsDueYearTwo	3865000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2817000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	372000	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due Year Three LesseeLeasesLiabilityPaymentsDueYearThree	3189000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1464000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	85000	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due Year Four LesseeLeasesLiabilityPaymentsDueYearFour	1549000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1131000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due Year Five LesseeLeasesLiabilityPaymentsDueYearFive	1131000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	7078000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	usd
CY2023Q4	arq	Lessee Leases Liability Payments Dueafter Year Five LesseeLeasesLiabilityPaymentsDueafterYearFive	7078000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	18559000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	3666000	usd
CY2023Q4	arq	Lessee Leases Liability Payments Due LesseeLeasesLiabilityPaymentsDue	22225000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	7745000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	201000	usd
CY2023Q4	arq	Lessee Leases Liability Undiscounted Excess Amount LesseeLeasesLiabilityUndiscountedExcessAmount	7946000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10814000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	3465000	usd
CY2023Q4	arq	Leases Liability LeasesLiability	14279000	usd
CY2023Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	8500000	usd
CY2022Q4	us-gaap	Restricted Cash Noncurrent RestrictedCashNoncurrent	10000000	usd
CY2023Q4	arq	Supply Agreement Performance Bond SupplyAgreementPerformanceBond	3700000	usd
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Accelerated Compensation Cost ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost	400000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2430000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	2570000	usd
CY2023Q4	us-gaap	Prepaid Taxes PrepaidTaxes	349000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	7538000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10592000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7734000	usd
CY2023Q4	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	9147000	usd
CY2022Q4	us-gaap	Other Inventories Spare Parts OtherInventoriesSpareParts	6789000	usd
CY2023Q4	arq	Upfront Payments From Contract With Customer UpfrontPaymentsFromContractWithCustomer	5967000	usd
CY2022Q4	arq	Upfront Payments From Contract With Customer UpfrontPaymentsFromContractWithCustomer	6475000	usd
CY2023Q4	arq	Mine Reclamation Asset MineReclamationAsset	1955000	usd
CY2022Q4	arq	Mine Reclamation Asset MineReclamationAsset	1641000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	7899000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	847000	usd
CY2023Q4	arq	Mine Development Cost MineDevelopmentCost	7377000	usd
CY2022Q4	arq	Mine Development Cost MineDevelopmentCost	5478000	usd
CY2023Q4	arq	Other Assets Noncurrent Other OtherAssetsNoncurrentOther	2663000	usd
CY2022Q4	arq	Other Assets Noncurrent Other OtherAssetsNoncurrentOther	1683000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	45600000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	30647000	usd
CY2023	arq	Contract With Customer Term Of Contract ContractWithCustomerTermOfContract	P15Y
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1944000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2724000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	948000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1039000	usd
CY2023Q4	us-gaap	Accrued Reclamation Costs Current AccruedReclamationCostsCurrent	182000	usd
CY2022Q4	us-gaap	Accrued Reclamation Costs Current AccruedReclamationCostsCurrent	548000	usd
CY2023Q4	arq	Other Liabilities Current Other OtherLiabilitiesCurrentOther	2718000	usd
CY2022Q4	arq	Other Liabilities Current Other OtherLiabilitiesCurrentOther	2334000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5792000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	6645000	usd
CY2023Q4	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	5981000	usd
CY2022Q4	us-gaap	Mine Reclamation And Closing Liability Noncurrent MineReclamationAndClosingLiabilityNoncurrent	7985000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	8870000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	5133000	usd
CY2023Q4	arq	Other Longterm Liabilities OtherLongtermLiabilities	929000	usd
CY2022Q4	arq	Other Longterm Liabilities OtherLongtermLiabilities	733000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	15780000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	13851000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	8533000	usd
CY2021Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	9959000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	1500000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	0	usd
CY2023	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	582000	usd
CY2022	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	611000	usd
CY2023	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	4866000	usd
CY2022	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	2071000	usd
CY2023	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	414000	usd
CY2022	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	34000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	6163000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	8533000	usd
CY2023Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	182000	usd
CY2022Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	548000	usd
CY2023Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	5981000	usd
CY2022Q4	us-gaap	Asset Retirement Obligations Noncurrent AssetRetirementObligationsNoncurrent	7985000	usd
CY2023	us-gaap	Interest Expense Other InterestExpenseOther	440000	usd
CY2022	us-gaap	Interest Expense Other InterestExpenseOther	336000	usd
CY2023	us-gaap	Interest Expense InterestExpense	3014000	usd
CY2022	us-gaap	Interest Expense InterestExpense	336000	usd
CY2023	us-gaap	Interest Income Other InterestIncomeOther	1846000	usd
CY2022	us-gaap	Interest Income Other InterestIncomeOther	239000	usd
CY2023	arq	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	784000	usd
CY2022	arq	Other Nonoperating Income Expense Other OtherNonoperatingIncomeExpenseOther	-84000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2630000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	155000	usd
CY2023Q4	arq	Number Of Classes Of Capital Stock Authorized NumberOfClassesOfCapitalStockAuthorized	2	classesofcapitalstock
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2023Q4	arq	Numberof Voteper Common Share NumberofVoteperCommonShare	1	vote
CY2023Q1	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	3842315	shares
CY2023Q1	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	15400000	usd
CY2023Q2	us-gaap	Dividends Preferred Stock Paidinkind DividendsPreferredStockPaidinkind	200000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2648000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1981000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	3024000	usd
CY2023	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y3M18D
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-9123000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-8708000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2973000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	0	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-12096000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-8708000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-10000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	153000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	219000	usd
CY2023	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	153000	usd
CY2022	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	209000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2023	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2022	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	0	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.01
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.02
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-2540000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1829000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	116000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	115000	usd
CY2023	arq	Effective Income Tax Rate Reconciliation Permanent Differences Amount EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount	755000	usd
CY2022	arq	Effective Income Tax Rate Reconciliation Permanent Differences Amount EffectiveIncomeTaxRateReconciliationPermanentDifferencesAmount	1284000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1385000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	825000	usd
CY2023	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-74000	usd
CY2022	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-87000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	367000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	10000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	144000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-109000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	153000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	209000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	86125000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	86125000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	17018000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	2892000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1061000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2638000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1047000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	1968000	usd
CY2023Q4	arq	Deferred Tax Asset Operating Lease Liability DeferredTaxAssetOperatingLeaseLiability	2506000	usd
CY2022Q4	arq	Deferred Tax Asset Operating Lease Liability DeferredTaxAssetOperatingLeaseLiability	1828000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	1428000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Asset Retirement Obligations DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations	1448000	usd
CY2023Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	1227000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	739000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	515000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	518000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Equity Method Investments DeferredTaxAssetsEquityMethodInvestments	325000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	612000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	315000	usd
CY2023Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	121000	usd
CY2022Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	77000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	647000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	429000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	112307000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	99302000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	98836000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	88293000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	13471000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	11009000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9230000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7702000	usd
CY2023Q4	arq	Deferred Tax Liabilities Rightof Use Operating Lease Assets DeferredTaxLiabilitiesRightofUseOperatingLeaseAssets	2454000	usd
CY2022Q4	arq	Deferred Tax Liabilities Rightof Use Operating Lease Assets DeferredTaxLiabilitiesRightofUseOperatingLeaseAssets	1800000	usd
CY2023Q4	arq	Deferred Tax Liabilities Upfront Customer Consideration DeferredTaxLiabilitiesUpfrontCustomerConsideration	1383000	usd
CY2022Q4	arq	Deferred Tax Liabilities Upfront Customer Consideration DeferredTaxLiabilitiesUpfrontCustomerConsideration	1507000	usd
CY2023Q4	arq	Deferred Tax Liabilities Equity Method Investments DeferredTaxLiabilitiesEquityMethodInvestments	404000	usd
CY2022Q4	arq	Deferred Tax Liabilities Equity Method Investments DeferredTaxLiabilitiesEquityMethodInvestments	0	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	13471000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	11009000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	usd
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0	usd
CY2023	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	10500000	usd
CY2023Q4	arq	Valuation Allowance As Percent Of Net Deferred Tax Assets ValuationAllowanceAsPercentOfNetDeferredTaxAssets	1
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	54000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	54000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	54000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	54000	usd
CY2023	arq	Aggregate Stock Ownership Percentage AggregateStockOwnershipPercentage	0.05
CY2023	arq	Increase In Aggregate Stock Ownership Percentage As Trigger IncreaseInAggregateStockOwnershipPercentageAsTrigger	0.0050
CY2023	arq	Testing Period Of Aggregate Stock Ownership Percentage TestingPeriodOfAggregateStockOwnershipPercentage	P3Y
CY2023	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	613000	usd
CY2022	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	552000	usd
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false

Files In Submission

Name	View Source	Status
0001515156-24-000036-index-headers.html	Edgar Link	pending
0001515156-24-000036-index.html	Edgar Link	pending
0001515156-24-000036.txt	Edgar Link	pending
0001515156-24-000036-xbrl.zip	Edgar Link	pending
arq-20231231.htm	Edgar Link	pending
arq-20231231.xsd	Edgar Link	pending
exhibit1030inducementaward.htm	Edgar Link	pending
exhibit103formof2022omnibu.htm	Edgar Link	pending
exhibit104formofperformanc.htm	Edgar Link	pending
arq-20231231_def.xml	Edgar Link	unprocessable
arq-20231231_lab.xml	Edgar Link	unprocessable
arq-20231231_pre.xml	Edgar Link	unprocessable
arq-20231231_htm.xml	Edgar Link	completed
exhibit211-subsidiariesofa.htm	Edgar Link	pending
exhibit231-consent_2023.htm	Edgar Link	pending
exhibit311-certificationpe.htm	Edgar Link	pending
exhibit312-certificationpf.htm	Edgar Link	pending
exhibit321-906certificatio.htm	Edgar Link	pending
exhibit410descriptionofreg.htm	Edgar Link	pending
exhibit95-minesafety2023.htm	Edgar Link	pending
exhibit97clawbackpolicy.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R82.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
arq-20231231_cal.xml	Edgar Link	unprocessable

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$ARQ
Arq, Inc. Stock $arq

2024 Q1 Form 10-K Financial Statement

#000151515624000036 Filed on March 12, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARQ Arq, Inc. Stock $arq

2024 Q1 Form 10-K Financial Statement

#000151515624000036 Filed on March 12, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARQ
Arq, Inc. Stock $arq