$ALTO
Alto Ingredients, Inc. Stock $alto

$alto Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000121390024022351 Filed on March 14, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$240.6M	$273.6M	$1.223B
YoY Change	-23.34%	-16.69%	-8.44%
Cost Of Revenue	$243.0M	$276.2M	$1.207B
YoY Change	-23.35%	-21.05%	-11.44%
Gross Profit	-$2.400M	-$2.525M	$15.65M
YoY Change	-24.15%	-88.16%	-156.82%
Gross Profit Margin	-1.0%	-0.92%	1.28%
Selling, General & Admin	$7.932M	$8.383M	$32.66M
YoY Change	0.63%	11.02%	3.44%
% of Gross Profit			208.68%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$5.728M	$5.700M	$23.08M
YoY Change	-5.4%	-4.57%	-8.03%
% of Gross Profit			147.45%
Operating Expenses	$7.932M	$8.383M	$32.66M
YoY Change	0.63%	11.02%	3.44%
Operating Profit	-$10.33M	-$10.91M	-$23.85M
YoY Change	-11.08%	-62.23%	-61.13%
Interest Expense	$886.0K	-$2.126M	$7.425M
YoY Change	-156.61%	119.63%	-506.4%
% of Operating Profit
Other Income/Expense, Net	$241.0K	$449.0K	$553.0K
YoY Change	1168.42%	-51.72%	-35.85%
Pretax Income	-$11.73M	-$18.85M	-$27.91M
YoY Change	-10.94%	-39.49%	-29.65%
Income Tax		$97.00K	$97.00K
% Of Pretax Income
Net Earnings	-$11.73M	-$19.26M	-$28.01M
YoY Change	-10.94%	-42.31%	-32.68%
Net Earnings / Revenue	-4.87%	-7.04%	-2.29%
Basic Earnings Per Share	-$0.17		-$0.40
Diluted Earnings Per Share	-$0.17	-$0.26	-$0.40
COMMON SHARES
Basic Shares Outstanding	75.70M shares	76.14M shares	73.34M shares
Diluted Shares Outstanding	72.77M shares		73.34M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$29.31M	$30.01M	$30.01M
YoY Change	38.43%	-17.67%	-17.67%
Cash & Equivalents	$29.31M	$30.01M	$30.01M
Short-Term Investments
Other Short-Term Assets	$8.028M	$9.538M	$27.42M
YoY Change	53.88%	2.12%	0.12%
Inventory	$42.61M	$52.61M	$52.61M
Prepaid Expenses
Receivables	$58.08M	$58.73M	$58.73M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$150.8M	$168.8M	$168.8M
YoY Change	-12.1%	-15.24%	-15.24%
LONG-TERM ASSETS
Property, Plant & Equipment	$248.9M	$248.7M	$271.3M
YoY Change	1.94%	4.05%	5.17%
Goodwill
YoY Change
Intangibles	$8.351M	$8.498M
YoY Change	-6.59%	-6.48%
Long-Term Investments
YoY Change
Other Assets	$5.034M	$5.628M	$5.628M
YoY Change	-18.44%	-8.29%	-8.29%
Total Long-Term Assets	$283.8M	$285.5M	$285.5M
YoY Change	-1.56%	2.25%	2.25%
TOTAL ASSETS
Total Short-Term Assets	$150.8M	$168.8M	$168.8M
Total Long-Term Assets	$283.8M	$285.5M	$285.5M
Total Assets	$434.6M	$454.2M	$454.2M
YoY Change	-5.49%	-5.03%	-5.03%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$18.51M	$20.75M	$20.75M
YoY Change	-24.17%	-26.19%	-26.19%
Accrued Expenses	$18.17M	$20.21M	$27.34M
YoY Change	4.8%	-23.92%	-19.37%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$55.05M	$65.29M	$65.29M
YoY Change	2.24%	-16.32%	-16.32%
LONG-TERM LIABILITIES
Long-Term Debt	$84.07M	$82.10M	$82.10M
YoY Change	0.39%	20.1%	20.1%
Other Long-Term Liabilities	$8.958M	$8.270M	$27.30M
YoY Change	-0.09%	-5.99%	14.42%
Total Long-Term Liabilities	$93.03M	$90.37M	$109.4M
YoY Change	0.35%	17.13%	18.63%
TOTAL LIABILITIES
Total Short-Term Liabilities	$55.05M	$65.29M	$65.29M
Total Long-Term Liabilities	$93.03M	$90.37M	$109.4M
Total Liabilities	$166.0M	$174.7M	$174.7M
YoY Change	-0.15%	2.62%	2.62%
SHAREHOLDERS EQUITY
Retained Earnings	-$776.0M	-$763.9M
YoY Change	3.72%	3.98%
Common Stock	$77.00K	$76.00K
YoY Change	1.32%	1.33%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$268.7M	$279.6M	$279.6M
YoY Change
Total Liabilities & Shareholders Equity	$434.6M	$454.2M	$454.2M
YoY Change	-5.49%	-5.03%	-5.03%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$11.73M	-$19.26M	-$28.01M
YoY Change	-10.94%	-42.31%	-32.68%
Depreciation, Depletion And Amortization	$5.728M	$5.700M	$23.08M
YoY Change	-5.4%	-4.57%	-8.03%
Cash From Operating Activities	$1.429M	$11.79M	$22.03M
YoY Change	-106.12%	180.23%	264.11%
INVESTING ACTIVITIES
Capital Expenditures	$4.643M	$4.921M	$29.53M
YoY Change	-51.65%	-60.67%	-21.76%
Acquisitions
YoY Change
Other Investing Activities	-$1.400M	$0.00	-$3.500M
YoY Change	-60.0%		-4420.99%
Cash From Investing Activities	-$6.043M	-$4.921M	-$33.03M
YoY Change	-53.88%	-60.67%	-12.3%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$3.674M
YoY Change			177.28%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$1.206M	3.741M	$6.961M
YoY Change	-90.97%	-85.28%	-63.39%
NET CHANGE
Cash From Operating Activities	$1.429M	11.79M	$22.03M
Cash From Investing Activities	-$6.043M	-4.921M	-$33.03M
Cash From Financing Activities	$1.206M	3.741M	$6.961M
Net Change In Cash	-$3.408M	10.61M	-$4.045M
YoY Change	-85.24%	-37.97%	-67.9%
FREE CASH FLOW
Cash From Operating Activities	$1.429M	$11.79M	$22.03M
Capital Expenditures	$4.643M	$4.921M	$29.53M
Free Cash Flow	-$3.214M	$6.874M	-$7.506M
YoY Change	-90.25%	-182.8%	-76.32%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue		usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	000-21467
CY2023	dei	Entity Registrant Name EntityRegistrantName	ALTO INGREDIENTS, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	41-2170618
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	1300 South Second Street
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Pekin
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	IL
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	61554
CY2023	dei	City Area Code CityAreaCode	(916)
CY2023	dei	Local Phone Number LocalPhoneNumber	403-2123
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $0.001 par value
CY2023	dei	Trading Symbol TradingSymbol	ALTO
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	Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	210800000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	75697150	shares
CY2023	dei	Auditor Name AuditorName	RSM US LLP
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Firm AuditorFirmId	49
CY2023	dei	Auditor Location AuditorLocation	Rochester, Minnesota
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30014000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36456000	usd
CY2023Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	15466000	usd
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	13069000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	85000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	105000	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	58729000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	68655000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	52611000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	66628000	usd
CY2023Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	2412000	usd
CY2022Q4	us-gaap	Derivative Assets Current DerivativeAssetsCurrent	4973000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	9538000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	9340000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	168770000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	199121000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	248748000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	239069000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22597000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	18937000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	8498000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	9087000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	5970000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	5628000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	6137000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	36723000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	40131000	usd
CY2023Q4	us-gaap	Assets Assets	454241000	usd
CY2022Q4	us-gaap	Assets Assets	478321000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	20752000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	28115000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	20205000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	26556000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4333000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3849000	usd
CY2023Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	13849000	usd
CY2022Q4	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	6732000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	6149000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	12765000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	65288000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	78017000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	82097000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	68356000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	19029000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15062000	usd
CY2023Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8270000	usd
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	8797000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	174684000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	170232000	usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	75703100	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	75703100	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	75154495	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	75154495	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	76000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	75000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1040912000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1040834000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	2481000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1822000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-763913000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-734643000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	279557000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	308089000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	454241000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	478321000	usd
CY2023	us-gaap	Revenues Revenues	1222940000	usd
CY2022	us-gaap	Revenues Revenues	1335621000	usd
CY2021	us-gaap	Revenues Revenues	1207892000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1207287000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1363171000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1140108000	usd
CY2023	us-gaap	Gross Profit GrossProfit	15653000	usd
CY2022	us-gaap	Gross Profit GrossProfit	-27550000	usd
CY2021	us-gaap	Gross Profit GrossProfit	67784000	usd
CY2023	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	32664000	usd
CY2022	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	31579000	usd
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	29185000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-293000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-2230000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	4571000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6544000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3100000	usd
CY2023	us-gaap	Operating Income Loss OperatingIncomeLoss	-23848000	usd
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	-61359000	usd
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	40070000	usd
CY2023	alto	Income From Cash Grant IncomeFromCashGrant	2812000	usd
CY2022	alto	Income From Cash Grant IncomeFromCashGrant	22652000	usd
CY2021	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness	9860000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-7425000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-1827000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-3587000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	553000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	862000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1208000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-27908000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-39672000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	47551000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	97000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1925000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1469000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-28005000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-41597000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	46082000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	600000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-29270000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-42862000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	44217000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.4
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.6
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.4
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.6
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73339000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71944000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71098000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73339000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71944000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72219000	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-28005000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-41597000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	46082000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-659000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2106000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3594000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-27346000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-39491000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	49676000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	296235000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2883000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-2777000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	462000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3594000	usd
CY2021	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1265000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	46082000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	345214000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	3333000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-2291000	usd
CY2022	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	1000	usd
CY2022	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	3913000	usd
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1325000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2106000	usd
CY2022	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1265000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-41597000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	308089000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	3896000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6049000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26821000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29531000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	37744000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	16384000	usd
CY2023	alto	Deferred Purchase Price Payments DeferredPurchasePricePayments	3500000	usd
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-143000	usd
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3674000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-659000	usd
CY2023	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	1265000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-28005000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	279557000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-28005000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-41597000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	46082000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23080000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	25095000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	23292000	usd
CY2023	us-gaap	Asset Impairment Charges AssetImpairmentCharges	6544000	usd
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	3100000	usd
CY2021	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness	9860000	usd
CY2023	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-293000	usd
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-2230000	usd
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	4571000	usd
CY2023	us-gaap	Inventory Write Down InventoryWriteDown	2201000	usd
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	4612000	usd
CY2023	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-8031000	usd
CY2022	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	19263000	usd
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	21619000	usd
CY2023	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	1048000	usd
CY2022	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	177000	usd
CY2021	us-gaap	Amortization Of Deferred Charges AmortizationOfDeferredCharges	778000	usd
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	801000	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	126000	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-230000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	3896000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	3333000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2883000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	427000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-217000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	158000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-9499000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-23967000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	43554000	usd
CY2023	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-11816000	usd
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	15479000	usd
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	16448000	usd
CY2023	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-310000	usd
CY2022	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-7690000	usd
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-38989000	usd
CY2023	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-5362000	usd
CY2022	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-5128000	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-4216000	usd
CY2021	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale	3483000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2305000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-12554000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	20503000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	13215000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	22025000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	14685000	usd
CY2022	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	14766000	usd
CY2021	alto	Proceeds From Sale Of Stockton ProceedsFromSaleOfStockton	24000000	usd
CY2021	alto	Proceeds From Sale Of Madera ProceedsFromSaleOfMadera	19500000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-33031000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-37663000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	27116000	usd
CY2023	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	12614000	usd
CY2022	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-32325000	usd
CY2021	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	17889000	usd
CY2022	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	59100000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3674000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1325000	usd
CY2023	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1265000	usd
CY2022	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	1265000	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2853000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	714000	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	5171000	usd
CY2021	alto	Proceeds From Issuances Of Common Stock And Warrants ProceedsFromIssuancesOfCommonStockAndWarrants	462000	usd
CY2021	alto	Payments On Plant Borrowings PaymentsOnPlantBorrowings	29964000	usd
CY2021	alto	Payments On Senior Notes PaymentsOnSeniorNotes	25533000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	6961000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	19014000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-39999000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-4045000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-12600000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	13938000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	49525000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62125000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	48187000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45480000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	49525000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62125000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	30014000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36456000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50612000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	15466000	usd
CY2022Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	13069000	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11513000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45480000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	49525000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62125000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	7923000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	2208000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	3489000	usd
CY2023	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	2454000	usd
CY2022	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	720000	usd
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	628000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	324000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2262000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	448000	usd
CY2023Q4	alto	Production Capacity ProductionCapacity	350000000	gal
CY2023Q4	us-gaap	Inventory Adjustments InventoryAdjustments	2201000	usd
CY2022Q4	us-gaap	Inventory Adjustments InventoryAdjustments	4612000	usd
CY2023Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	85000	usd
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	105000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	427000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-217000	usd
CY2021	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	158000	usd
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><i>Concentration Risks</i> – Credit risk represents the accounting loss that would be recognized at the reporting date if counterparties failed completely to perform as contracted. Concentrations of credit risk, whether on- or off-balance sheet, that arise from financial instruments exist for groups of customers or counterparties when they have similar economic characteristics that would cause their ability to meet contractual obligations to be similarly affected by changes in economic or other conditions described below. Financial instruments that subject the Company to credit risk consist of cash balances maintained in excess of federal depository insurance limits and accounts receivable which have no collateral or security. The Company has not experienced any significant losses in such accounts.</span></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif">The Company sells specialty alcohols to consumer product companies and fuel-grade ethanol to gasoline refining and distribution companies. The Company sold to customers representing 10% or more of the Company’s total net sales, as follows.</span></p><table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>Years Ended December 31,</b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td></tr> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2023</b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2022</b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2021</b></span></td><td style="padding-bottom: 1.5pt"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Customer A</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">9</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">10</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">13</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> <tr style="vertical-align: bottom; "> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Customer B</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">7</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">10</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">9</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> </table><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif">The Company had accounts receivable due from these customers totaling $4,302,000 and $10,469,000, representing 7% and 15% of total accounts receivable, as of December 31, 2023 and 2022, respectively.</span></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif">The Company purchases corn, its largest cost component in producing alcohols, from its suppliers. The Company purchased corn from suppliers representing 10% or more of the Company’s total corn purchases, as follows:</span></p><table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%"> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="10" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>Years Ended December 31,</b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td></tr> <tr style="vertical-align: bottom"> <td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2023</b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2022</b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td> <td colspan="2" style="border-bottom: Black 1.5pt solid; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b>2021</b></span></td><td style="padding-bottom: 1.5pt; text-align: center"><span style="font-family: Times New Roman, Times, Serif"><b> </b></span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="width: 64%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Supplier A</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">14</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">11</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td style="width: 1%"><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="width: 9%; text-align: right"><span style="font-family: Times New Roman, Times, Serif">12</span></td><td style="width: 1%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> <tr style="vertical-align: bottom; "> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Supplier B</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">12</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">12</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">14</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> <tr style="vertical-align: bottom; background-color: rgb(204,238,255)"> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">Supplier C</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="-sec-ix-hidden: hidden-fact-123; font-family: Times New Roman, Times, Serif; font-size: 10pt">—</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">15</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td><td><span style="font-family: Times New Roman, Times, Serif"> </span></td> <td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif"> </span></td><td style="text-align: right"><span style="font-family: Times New Roman, Times, Serif">2</span></td><td style="text-align: left"><span style="font-family: Times New Roman, Times, Serif">%</span></td></tr> </table><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif">As of December 31, 2023, approximately 44% of the Company’s employees were covered by a collective bargaining agreement.</span></p><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><i> </i></span></p>
CY2023Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	35765000	usd
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	47736000	usd
CY2023Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	5063000	usd
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	6396000	usd
CY2023Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	10313000	usd
CY2022Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	11197000	usd
CY2023Q4	us-gaap	Other Inventory OtherInventory	1470000	usd
CY2022Q4	us-gaap	Other Inventory OtherInventory	1299000	usd
CY2023Q4	us-gaap	Inventory Net InventoryNet	52611000	usd
CY2022Q4	us-gaap	Inventory Net InventoryNet	66628000	usd
CY2023Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	1048000	usd
CY2022Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	177000	usd
CY2021Q4	us-gaap	Accumulated Amortization Deferred Finance Costs AccumulatedAmortizationDeferredFinanceCosts	778000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	4700000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Premium Current DebtInstrumentUnamortizedPremiumCurrent	5034000	usd
CY2023	alto	Conserve Capital Percentage ConserveCapitalPercentage	0.50	pure
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-28005000	usd
CY2023	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-29270000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	73339000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.4
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-41597000	usd
CY2022	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-42862000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71944000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.6
CY2021	us-gaap	Net Income Loss NetIncomeLoss	46082000	usd
CY2021	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	1265000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	600000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	44217000	usd
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	71098000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.62
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1121000	shares
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	44217000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	72219000	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2023	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	981000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	964000	shares
CY2022	us-gaap	Incremental Common Shares Attributable To Written Put Options IncrementalCommonSharesAttributableToWrittenPutOptions	964000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3188000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	8900500	shares
CY2023Q4	us-gaap	Cash Cash	2812000	usd
CY2022Q4	us-gaap	Cash Cash	22652000	usd
CY2023	alto	Amount Allocated To Support Market Losses AmountAllocatedToSupportMarketLosses	700000000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	usd
CY2023Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	5000000	usd
CY2023	alto	Purchase Authorization Additional Lender Value PurchaseAuthorizationAdditionalLenderValue	5000000	usd
CY2023	alto	Purchase Additional Amount PurchaseAdditionalAmount	10000000	usd
CY2023	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	1685000	shares
CY2022	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	351000	shares
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3674000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1325000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-27908000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-39672000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	47551000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23080000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	25095000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	23292000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><span style="font-family: Times New Roman, Times, Serif"><i>Estimates and Assumptions</i> – The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Significant estimates are required as part of determining the allowance for credit losses, net realizable value of inventory, long-lived asset impairments, goodwill impairment, valuation allowances on deferred income taxes and the potential outcome of future tax consequences of events recognized in the Company’s financial statements or tax returns, and the valuation of assets acquired and liabilities assumed as a result of business combinations. Actual results and outcomes may materially differ from management’s estimates and assumptions.</span></p>
CY2022Q1	us-gaap	Treasury Stock Reissued At Lower Than Repurchase Price TreasuryStockReissuedAtLowerThanRepurchasePrice	14000000	usd
CY2022Q1	alto	Net Working Capital NetWorkingCapital	1300000	usd
CY2022Q1	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	14000000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Liabilities Accounts Payable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable	9000000	usd
CY2022Q1	us-gaap	Common Stock Value CommonStockValue	5000000	usd
CY2023	alto	Incentive Fee Payable Description IncentiveFeePayableDescription	Under the terms of the marketing agreements, within ten days after delivering alcohol to Kinergy, an amount is paid to Kinergy equal to (i) the estimated purchase price payable by the third-party purchaser of the alcohol, minus (ii) the estimated amount of transportation costs to be incurred, minus (iii) the estimated incentive fee payable to Kinergy, which equals 1% of the aggregate third-party purchase price, provided that the marketing fee shall not be less than $0.015 per gallon and not more than $0.0225 per gallon.
CY2023	alto	Receives Service Fee Per Bushel ReceivesServiceFeePerBushel	0.03
CY2023	alto	Purchase Price Description PurchasePriceDescription	(a) 5% of the aggregate third-party purchase price for wet corn gluten feed, wet distillers grains, corn condensed distillers solubles and distillers grains with solubles, or (b) 1% of the aggregate third-party purchase price for corn gluten meal, dry corn gluten feed, dry distillers grains, corn germ and corn oil. Each marketing agreement had an initial term of one year and has successive one year renewal periods at the option of the production facility.
CY2023	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	3216500	usd
CY2022	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	3505000	usd
CY2021	us-gaap	Regulated Operating Revenue RegulatedOperatingRevenue	2871000	usd
CY2023	us-gaap	Interest Expense InterestExpense	7425000	usd
CY2022	us-gaap	Interest Expense InterestExpense	1827000	usd
CY2021	us-gaap	Interest Expense InterestExpense	3587000	usd
CY2023Q4	us-gaap	Assets Assets	454241000	usd
CY2022Q4	us-gaap	Assets Assets	478321000	usd
CY2023Q4	alto	Facilities And Plant Equipment FacilitiesAndPlantEquipment	405010000	usd
CY2022Q4	alto	Facilities And Plant Equipment FacilitiesAndPlantEquipment	386932000	usd
CY2023Q4	us-gaap	Land Land	3687000	usd
CY2022Q4	us-gaap	Land Land	3687000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	9719000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Other PropertyPlantAndEquipmentOther	9876000	usd
CY2023Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	50505000	usd
CY2022Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	37538000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	468921000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	438033000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	220173000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	198964000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	248748000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	239069000	usd
CY2023	us-gaap	Depreciation Depreciation	22492000	usd
CY2022	us-gaap	Depreciation Depreciation	24528000	usd
CY2021	us-gaap	Depreciation Depreciation	23292000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	15624000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	7126000	usd
CY2023Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	8498000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	15624000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	567000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	15057000	usd
CY2023Q4	us-gaap	Goodwill Gross GoodwillGross	5970000	usd
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	5970000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	588000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	567000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	588000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	588000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	588000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	588000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	588000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	2880000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	5820000	usd
CY2023	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	8031000	usd
CY2022	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	19263000	usd
CY2021	us-gaap	Change In Unrealized Gain Loss On Fair Value Hedging Instruments1 ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1	21619000	usd
CY2023Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.10	pure
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	90690000	usd
CY2022Q4	us-gaap	Long Term Debt LongTermDebt	78076000	usd
CY2023Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	3893000	usd
CY2022Q4	us-gaap	Debt Instrument Unamortized Discount DebtInstrumentUnamortizedDiscount	4686000	usd
CY2023Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4700000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	5034000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	82097000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	68356000	usd
CY2023	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	Kinergy has an operating line of credit for an aggregate amount of up to $100,000,000. The line of credit matures on November 7, 2027. The credit facility is based on Kinergy’s eligible accounts receivable and inventory levels, subject to certain concentration reserves. The credit facility is subject to certain other sublimits, including inventory loan limits. Interest accrues under the line of credit at a rate equal to (i) the daily Secured Overnight Financing Rate, plus (ii) a specified applicable margin ranging between 1.25% and 1.75%. The applicable margin was 1.25%, for a total rate of 6.74%, at December 31, 2023. The credit facility’s monthly unused line fee is an annual rate equal to 0.25% to 0.375% depending on the average daily principal balance during the immediately preceding month. Payments that may be made by Kinergy to the Company as reimbursement for management and other services provided by the Company to Kinergy are limited under the terms of the credit facility to $1,500,000 per fiscal quarter. The credit facility also includes the accounts receivable of Alto Nutrients as additional collateral. Payments that may be made by Alto Nutrients to the Company as reimbursement for management and other services provided by the Company to Alto Nutrients are limited under the terms of the credit facility to $500,000 per fiscal quarter. Kinergy and Alto Nutrients may also make distributions to the Company of up to 75% of their excess cash flow.
CY2023Q4	us-gaap	Line Of Credit LineOfCredit	100000000	usd
CY2023	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2027-11-07
CY2023	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.75	pure
CY2023Q4	us-gaap	Debt Instrument Unused Borrowing Capacity Amount DebtInstrumentUnusedBorrowingCapacityAmount	33300000	usd
CY2022Q4	alto	Senior Secured Credit Facility SeniorSecuredCreditFacility	125000000	usd
CY2023	alto	Lenders Agreed To Advance Loans Amount LendersAgreedToAdvanceLoansAmount	100000000	usd
CY2023	alto	Additional Lenders Agreed To Advance Loans Amount AdditionalLendersAgreedToAdvanceLoansAmount	25000000	usd
CY2023Q4	alto	Lenders Stock Share Issued LendersStockShareIssued	1282051	shares
CY2023Q4	alto	Additional Lenders Stock Share Issued AdditionalLendersStockShareIssued	320513	shares
CY2022Q4	us-gaap	Payments To Fund Policy Loans PaymentsToFundPolicyLoans	60000000	usd
CY2022Q4	us-gaap	Common Unit Issued CommonUnitIssued	1282051	shares
CY2023Q4	us-gaap	Longterm Construction Loan Current And Noncurrent LongtermConstructionLoanCurrentAndNoncurrent	60000000	usd
CY2022Q4	us-gaap	Longterm Construction Loan Current And Noncurrent LongtermConstructionLoanCurrentAndNoncurrent	60000000	usd
CY2023	us-gaap	Proceeds From Loans ProceedsFromLoans	3912000	usd
CY2023	alto	Specified Leverage Description SpecifiedLeverageDescription	The Company must prepay amounts outstanding under the Term Loan on a semi-annual basis beginning with the six-month period ended December 31, 2023 in an amount equal to a percentage of the Company’s excess cash flow based on a specified leverage ratio, as follows: (i) if the leverage ratio is greater than or equal to 3.0x, then the mandatory prepayment amount will equal 100% of the Company’s excess cash flow, (ii) if the leverage ratio is less than 3.0x and greater than or equal to 1.5x, then the mandatory prepayment amount will equal 50% of the Company’s excess cash flow and (iii) if the leverage ratio is less than 1.5x, then the mandatory prepayment amount will equal 25% of the Company’s excess cash flow.
CY2021Q2	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	3900000	usd
CY2021Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	6000000	usd
CY2021	us-gaap	Interest And Fee Income Other Loans InterestAndFeeIncomeOtherLoans	9900000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	30690000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	60000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	90690000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.075	pure
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.075	pure
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	22597000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	18937000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	4333000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3849000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	19029000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	15062000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	5722000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	5224000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	4500000	usd
CY2023	us-gaap	Variable Lease Cost VariableLeaseCost	871000	usd
CY2022	us-gaap	Variable Lease Cost VariableLeaseCost	124000	usd
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	238000	usd
CY2023	us-gaap	Lease Cost LeaseCost	6593000	usd
CY2022	us-gaap	Lease Cost LeaseCost	5348000	usd
CY2021	us-gaap	Lease Cost LeaseCost	4738000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	3907000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-4294000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-3907000	usd
CY2023Q4	alto	Defined Benefit Plan Accumulated Other Comprehensive Income Other Minimum Pension Liability After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeOtherMinimumPensionLiabilityAfterTax	320000	usd
CY2022Q4	alto	Defined Benefit Plan Accumulated Other Comprehensive Income Other Minimum Pension Liability After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeOtherMinimumPensionLiabilityAfterTax	310000	usd
CY2023Q4	alto	Defined Benefit Plan Accumulated Other Comprehensive Income Other Minimum Pension Other Liability After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeOtherMinimumPensionOtherLiabilityAfterTax	3974000	usd
CY2023	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	100000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	960000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	1030000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	1070000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	1100000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	1140000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	6280000	usd
CY2023Q4	alto	Defined Benefit Plan Expected Future Benefit Payments DefinedBenefitPlanExpectedFutureBenefitPayments	11580000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	4294000	usd
CY2022Q4	alto	Defined Benefit Plan Accumulated Other Comprehensive Income Other Minimum Pension Other Liability After Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeOtherMinimumPensionOtherLiabilityAfterTax	3597000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	250000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	656000	usd
CY2023	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0475	pure
CY2022	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0495	pure
CY2023	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	97000	usd
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1925000	usd
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1469000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	97000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1925000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1469000	usd
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.046	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.058	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.06	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.234	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.339	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.188	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.023	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.031	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.008	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.016	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.004	pure
CY2021	alto	Effective Income Tax Rate Reconciliation Income From Loan Forgiveness EffectiveIncomeTaxRateReconciliationIncomeFromLoanForgiveness	-0.055	pure
CY2023	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.01	pure
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.006	pure
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001	pure
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.003	pure
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.05	pure
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.03	pure
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	57870000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	58131000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	26518000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	26043000	usd
CY2023Q4	alto	Deferred Tax Assets Disallowed Interest DeferredTaxAssetsDisallowedInterest	3457000	usd
CY2022Q4	alto	Deferred Tax Assets Disallowed Interest DeferredTaxAssetsDisallowedInterest	2395000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	3742000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards General Business DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness	3742000	usd
CY2023Q4	alto	Derivative Derivative	-3051000	usd
CY2022Q4	alto	Derivative Derivative	-460000	usd
CY2023Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	1201000	usd
CY2022Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	89000	usd
CY2023Q4	alto	Pension Liability PensionLiability	1173000	usd
CY2022Q4	alto	Pension Liability PensionLiability	1354000	usd
CY2023Q4	alto	Railcar Contracts RailcarContracts	818000	usd
CY2022Q4	alto	Railcar Contracts RailcarContracts	786000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	696000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	634000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	296000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	311000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3340000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3208000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	102162000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	97153000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	93506000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	87949000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	8656000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	9204000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	7720000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	9125000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1172000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	315000	usd
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8892000	usd
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	9440000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	236000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	236000	usd
CY2023Q4	alto	Federal Net Operating Losses FederalNetOperatingLosses	108500000	usd
CY2023	alto	Federal Taxable Income Utilize FederalTaxableIncomeUtilize	135260000	usd
CY2023	alto	Capital Loss Description CapitalLossDescription	Federal capital loss of $100,487,000 may be carried forward for 5 years and will expire in 2025. State capital loss of $95,469,000 may be carried forward for 5 years for most of the states in which the Company files returns and will expire in 2025.
CY2023	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	5557000	usd
CY2022	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	12365000	usd
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	10104000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	739000	usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	739000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	739000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	739000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	739000	usd
CY2023Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability Bad Debt Reserve For Tax Purposes Of Qualified Lender DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiabilityBadDebtReserveForTaxPurposesOfQualifiedLender	739000	usd
CY2023Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	74000	usd
CY2023Q4	us-gaap	Deposit Liabilities Accrued Interest DepositLiabilitiesAccruedInterest	75000	usd
CY2023	us-gaap	Legal Fees LegalFees	25000	usd
CY2016Q2	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	1150000	shares
CY2018Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	3650000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	5650000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	7400000	shares
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	8900000	shares
CY2023Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	11400000	shares
CY2023Q4	us-gaap	Significant Supply Commitment Remaining Minimum Amount Committed SignificantSupplyCommitmentRemainingMinimumAmountCommitted	6374000	usd
CY2023	alto	Indexed Price Sales Contract IndexedPriceSalesContract	85000	t
CY2023	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	15629000	usd
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1387000	shares
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	3.3
CY2022	alto	Share Based Compensation Arrangement By Share Based Payment Award Options Issued In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssuedInPeriodGross	872000	shares
CY2022	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Issued Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsIssuedWeightedAverageGrantDateFairValue	6.21
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	1051000	shares
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	2.66
CY2022	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Cancelled Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledNumberOfShares	39000	shares
CY2022	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Cancelled Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledWeightedAverageGrantDateFairValue	6.23
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1169000	shares
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.95
CY2023	alto	Share Based Compensation Arrangement By Share Based Payment Award Options Issued In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsIssuedInPeriodGross	2375000	shares
CY2023	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Issued Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsIssuedWeightedAverageGrantDateFairValue	1.87
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	547000	shares
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	5.61
CY2023	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Cancelled Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledNumberOfShares	56000	shares
CY2023	alto	Sharebased Compensation Arrangement By Sharebased Payment Award Options Cancelled Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsCancelledWeightedAverageGrantDateFairValue	3.14
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	2941000	shares
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.77
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	929000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	6900000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	8810000	usd
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3896000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3333000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2883000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	8281000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P0Y8M1D
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	20897000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	21661000	usd
CY2023Q4	us-gaap	Goodwill Goodwill		usd
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue		usd
CY2023	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness		usd
CY2022	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness		usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic		usd
CY2022	us-gaap	Asset Impairment Charges AssetImpairmentCharges		usd
CY2023	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness		usd
CY2022	alto	Income From Loans Forgiveness IncomeFromLoansForgiveness		usd
CY2021	us-gaap	Inventory Write Down InventoryWriteDown		usd
CY2023	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale		usd
CY2022	us-gaap	Increase Decrease In Assets Held For Sale IncreaseDecreaseInAssetsHeldForSale		usd
CY2023	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities		usd
CY2022	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities		usd
CY2022	alto	Deferred Purchase Price Payments DeferredPurchasePricePayments		usd
CY2021	alto	Deferred Purchase Price Payments DeferredPurchasePricePayments		usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired		usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired		usd
CY2023	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable		usd
CY2021	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable		usd
CY2023	alto	Proceeds From Sale Of Stockton ProceedsFromSaleOfStockton		usd
CY2022	alto	Proceeds From Sale Of Stockton ProceedsFromSaleOfStockton		usd
CY2023	alto	Proceeds From Sale Of Madera ProceedsFromSaleOfMadera		usd
CY2022	alto	Proceeds From Sale Of Madera ProceedsFromSaleOfMadera		usd
CY2023	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt		usd
CY2021	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt		usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock		usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts		usd
CY2023	alto	Proceeds From Issuances Of Common Stock And Warrants ProceedsFromIssuancesOfCommonStockAndWarrants		usd
CY2022	alto	Proceeds From Issuances Of Common Stock And Warrants ProceedsFromIssuancesOfCommonStockAndWarrants		usd
CY2023	alto	Payments On Plant Borrowings PaymentsOnPlantBorrowings		usd
CY2022	alto	Payments On Plant Borrowings PaymentsOnPlantBorrowings		usd
CY2023	alto	Payments On Senior Notes PaymentsOnSeniorNotes		usd
CY2022	alto	Payments On Senior Notes PaymentsOnSeniorNotes		usd
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	73339000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.40
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	71944000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.60
CY2021	us-gaap	Dilutive Securities DilutiveSecurities		usd
CY2023Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets		usd
CY2022Q4	us-gaap	Defined Benefit Plan Pension Plan With Projected Benefit Obligation In Excess Of Plan Assets Plan Assets DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets		usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit		usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit		usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit		usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent		pure
CY2023	alto	Effective Income Tax Rate Reconciliation Income From Loan Forgiveness EffectiveIncomeTaxRateReconciliationIncomeFromLoanForgiveness		pure
CY2022	alto	Effective Income Tax Rate Reconciliation Income From Loan Forgiveness EffectiveIncomeTaxRateReconciliationIncomeFromLoanForgiveness		pure
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits		usd
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CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions		usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions		usd
CY2022	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions		usd
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CY2023	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Acquisition UnrecognizedTaxBenefitsDecreasesResultingFromAcquisition		usd
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CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000778164

Files In Submission

Name	View Source	Status
0001213900-24-022351-index-headers.html	Edgar Link	pending
0001213900-24-022351-index.html	Edgar Link	pending
0001213900-24-022351.txt	Edgar Link	pending
0001213900-24-022351-xbrl.zip	Edgar Link	pending
alto-20231231.xsd	Edgar Link	pending
ea0201340-10k_altoingred.htm	Edgar Link	pending
ea020134001ex10-24_altoing.htm	Edgar Link	pending
ea020134001ex23-1_altoing.htm	Edgar Link	pending
ea020134001ex31-1_altoing.htm	Edgar Link	pending
ea020134001ex31-2_altoing.htm	Edgar Link	pending
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ea020134001ex97-1_altoing.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
image_001.jpg	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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R39.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
alto-20231231_cal.xml	Edgar Link	unprocessable

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$ALTO
Alto Ingredients, Inc. Stock $alto

2024 Q1 Form 10-K Financial Statement

#000121390024022351 Filed on March 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALTO Alto Ingredients, Inc. Stock $alto

2024 Q1 Form 10-K Financial Statement

#000121390024022351 Filed on March 14, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ALTO
Alto Ingredients, Inc. Stock $alto