$ALT
Altimmune, Inc.

2024 Q3 Form 10-Q Financial Statement

#000132619024000030 Filed on August 08, 2024

View on sec.gov

Income Statement

Concept 2024 Q3 2024 Q2
Revenue $5.000K $5.000K
YoY Change -98.62% -16.67%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin $4.969M $5.595M
YoY Change 10.18% 17.54%
% of Gross Profit
Research & Development $19.80M $21.16M
YoY Change 7.7% 59.62%
% of Gross Profit
Depreciation & Amortization $37.00K $61.00K
YoY Change
% of Gross Profit
Operating Expenses $24.77M $26.75M
YoY Change 8.17% 48.5%
Operating Profit -$24.77M -$26.75M
YoY Change 9.88% 48.53%
Interest Expense $1.904M $2.181M
YoY Change 6465.52% 108950.0%
% of Operating Profit
Other Income/Expense, Net $1.922M $2.105M
YoY Change 2.84% 8.17%
Pretax Income -$22.85M -$24.64M
YoY Change 10.52% 53.42%
Income Tax $0.00 $0.00
% Of Pretax Income
Net Earnings -$22.85M -$24.64M
YoY Change 10.52% 53.42%
Net Earnings / Revenue -456900.0% -492800.0%
Basic Earnings Per Share -$0.32 -$0.35
Diluted Earnings Per Share -$0.32 -$0.35
COMMON SHARES
Basic Shares Outstanding 71.07M 70.90M
Diluted Shares Outstanding 71.08M 70.92M

Balance Sheet

Concept 2024 Q3 2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments $139.4M $164.9M
YoY Change -1.01% 3.1%
Cash & Equivalents $31.47M $57.13M
Short-Term Investments $107.9M $107.8M
Other Short-Term Assets $3.039M $3.266M
YoY Change -60.01% -44.29%
Inventory
Prepaid Expenses
Receivables $428.0K $424.0K
Other Receivables $2.912M $2.588M
Total Short-Term Assets $145.8M $171.2M
YoY Change -4.71% 0.98%
LONG-TERM ASSETS
Property, Plant & Equipment $446.0K $483.0K
YoY Change -41.7% -45.24%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets $1.659M $1.677M
YoY Change 290.35% 247.2%
Total Long-Term Assets $2.105M $2.160M
YoY Change -84.53% -84.33%
TOTAL ASSETS
Total Short-Term Assets $145.8M $171.2M
Total Long-Term Assets $2.105M $2.160M
Total Assets $147.9M $173.3M
YoY Change -11.23% -5.44%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable $1.133M $2.688M
YoY Change -62.8% -33.38%
Accrued Expenses $7.505M $12.47M
YoY Change -14.72% 69.71%
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities $8.638M $15.16M
YoY Change -27.23% 32.51%
LONG-TERM LIABILITIES
Long-Term Debt $0.00 $0.00
YoY Change -100.0% -100.0%
Other Long-Term Liabilities $26.00K $31.00K
YoY Change -43.48% -40.38%
Total Long-Term Liabilities $5.849M $5.660M
YoY Change 34.43% 34.22%
TOTAL LIABILITIES
Total Short-Term Liabilities $8.638M $15.16M
Total Long-Term Liabilities $5.849M $5.660M
Total Liabilities $14.49M $20.82M
YoY Change -10.44% 33.41%
SHAREHOLDERS EQUITY
Retained Earnings -$538.2M -$515.4M
YoY Change 23.81% 24.48%
Common Stock $7.000K $7.000K
YoY Change 40.0% 40.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity $133.4M $152.5M
YoY Change
Total Liabilities & Shareholders Equity $147.9M $173.3M
YoY Change -11.23% -5.44%

Cashflow Statement

Concept 2024 Q3 2024 Q2
OPERATING ACTIVITIES
Net Income -$22.85M -$24.64M
YoY Change 10.52% 53.42%
Depreciation, Depletion And Amortization $37.00K $61.00K
YoY Change
Cash From Operating Activities -$27.12M -$18.11M
YoY Change 32.35% -6.58%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities $1.199M -$3.696M
YoY Change -72.75% -192.79%
Cash From Investing Activities $1.199M -$3.696M
YoY Change -72.75% -192.7%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities 266.0K -46.00K
YoY Change -54.92% -100.35%
NET CHANGE
Cash From Operating Activities -27.12M -18.11M
Cash From Investing Activities 1.199M -3.696M
Cash From Financing Activities 266.0K -46.00K
Net Change In Cash -25.65M -21.85M
YoY Change 65.5% 837.37%
FREE CASH FLOW
Cash From Operating Activities -$27.12M -$18.11M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2024Q2 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
CY2023Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
CY2024Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.35
CY2023Q2 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.32
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.69
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
-0.72
CY2024Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
70924371
CY2023Q2 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
50691558
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
70863042
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
50410184
CY2024Q2 us-gaap Operating Lease Liability Current Statement Of Financial Position Extensible List
OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://www.altimmune.com/20240630#AccruedExpensesAndOtherCurrentLiabilities
CY2023Q4 us-gaap Operating Lease Liability Current Statement Of Financial Position Extensible List
OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
http://www.altimmune.com/20240630#AccruedExpensesAndOtherCurrentLiabilities
CY2024Q2 us-gaap Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List
OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2024#LiabilitiesNoncurrent
CY2023Q4 us-gaap Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List
OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
http://fasb.org/us-gaap/2024#LiabilitiesNoncurrent
CY2024Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
71046267
CY2023Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
70677400
dei Amendment Flag
AmendmentFlag
false
dei Entity Central Index Key
EntityCentralIndexKey
0001326190
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2024
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q2
CY2024Q2 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
71046267
CY2024Q2 us-gaap Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
0
dei Document Type
DocumentType
10-Q
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Document Period End Date
DocumentPeriodEndDate
2024-06-30
dei Document Transition Report
DocumentTransitionReport
false
dei Entity File Number
EntityFileNumber
001-32587
dei Entity Registrant Name
EntityRegistrantName
ALTIMMUNE, INC.
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
DE
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
20-2726770
dei Entity Address Address Line1
EntityAddressAddressLine1
910 Clopper Road
dei Entity Address Address Line2
EntityAddressAddressLine2
Suite 201S
dei Entity Address City Or Town
EntityAddressCityOrTown
Gaithersburg
dei Entity Address State Or Province
EntityAddressStateOrProvince
MD
dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
20878
dei City Area Code
CityAreaCode
240
dei Local Phone Number
LocalPhoneNumber
654-1450
dei Security12b Title
Security12bTitle
Common stock, par value $0.0001 per share
dei Trading Symbol
TradingSymbol
ALT
dei Security Exchange Name
SecurityExchangeName
NASDAQ
dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
dei Entity Filer Category
EntityFilerCategory
Non-accelerated Filer
dei Entity Small Business
EntitySmallBusiness
true
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
dei Entity Shell Company
EntityShellCompany
false
CY2024Q3 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
71070951
CY2024Q2 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
57128000
CY2023Q4 us-gaap Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
135117000
CY2024Q2 us-gaap Restricted Cash Current
RestrictedCashCurrent
41000
CY2023Q4 us-gaap Restricted Cash Current
RestrictedCashCurrent
41000
CY2024Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
57169000
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
135158000
CY2024Q2 us-gaap Short Term Investments
ShortTermInvestments
107780000
CY2023Q4 us-gaap Short Term Investments
ShortTermInvestments
62698000
CY2024Q2 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
424000
CY2023Q4 us-gaap Accounts And Other Receivables Net Current
AccountsAndOtherReceivablesNetCurrent
1111000
CY2024Q2 alt Income Taxes And Research Development Incentive Receivable Current
IncomeTaxesAndResearchDevelopmentIncentiveReceivableCurrent
2588000
CY2023Q4 alt Income Taxes And Research Development Incentive Receivable Current
IncomeTaxesAndResearchDevelopmentIncentiveReceivableCurrent
3742000
CY2024Q2 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
3225000
CY2023Q4 us-gaap Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
6917000
CY2024Q2 us-gaap Assets Current
AssetsCurrent
171186000
CY2023Q4 us-gaap Assets Current
AssetsCurrent
209626000
CY2024Q2 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
483000
CY2023Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
651000
CY2024Q2 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
1677000
CY2023Q4 us-gaap Other Assets Noncurrent
OtherAssetsNoncurrent
363000
CY2024Q2 us-gaap Assets
Assets
173346000
CY2023Q4 us-gaap Assets
Assets
210640000
CY2024Q2 us-gaap Accounts Payable Current
AccountsPayableCurrent
2688000
CY2023Q4 us-gaap Accounts Payable Current
AccountsPayableCurrent
2070000
CY2024Q2 alt Accrued Expenses And Other Current Liabilities
AccruedExpensesAndOtherCurrentLiabilities
12467000
CY2023Q4 alt Accrued Expenses And Other Current Liabilities
AccruedExpensesAndOtherCurrentLiabilities
10073000
CY2024Q2 us-gaap Liabilities Current
LiabilitiesCurrent
15155000
CY2023Q4 us-gaap Liabilities Current
LiabilitiesCurrent
12143000
CY2024Q2 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
5660000
CY2023Q4 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
4398000
CY2024Q2 us-gaap Liabilities
Liabilities
20815000
CY2023Q4 us-gaap Liabilities
Liabilities
16541000
CY2024Q2 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.0001
CY2023Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.0001
CY2024Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000
CY2023Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000
CY2024Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
71046267
CY2023Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
70677400
CY2024Q2 us-gaap Common Stock Value
CommonStockValue
7000
CY2023Q4 us-gaap Common Stock Value
CommonStockValue
7000
CY2024Q2 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
673081000
CY2023Q4 us-gaap Additional Paid In Capital
AdditionalPaidInCapital
665427000
CY2024Q2 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-515365000
CY2023Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
-466331000
CY2024Q2 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-5192000
CY2023Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-5004000
CY2024Q2 us-gaap Stockholders Equity
StockholdersEquity
152531000
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
194099000
CY2024Q2 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
173346000
CY2023Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
210640000
CY2024Q2 us-gaap Revenues
Revenues
5000
CY2023Q2 us-gaap Revenues
Revenues
6000
us-gaap Revenues
Revenues
10000
us-gaap Revenues
Revenues
27000
CY2024Q2 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
21155000
CY2023Q2 us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
13253000
us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
42642000
us-gaap Research And Development Expense
ResearchAndDevelopmentExpense
30502000
CY2024Q2 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
5595000
CY2023Q2 us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
4760000
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
10907000
us-gaap General And Administrative Expense
GeneralAndAdministrativeExpense
9291000
CY2024Q2 us-gaap Operating Expenses
OperatingExpenses
26750000
CY2023Q2 us-gaap Operating Expenses
OperatingExpenses
18013000
us-gaap Operating Expenses
OperatingExpenses
53549000
us-gaap Operating Expenses
OperatingExpenses
39793000
CY2024Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
-26745000
CY2023Q2 us-gaap Operating Income Loss
OperatingIncomeLoss
-18007000
us-gaap Operating Income Loss
OperatingIncomeLoss
-53539000
us-gaap Operating Income Loss
OperatingIncomeLoss
-39766000
CY2024Q2 us-gaap Interest Expense Nonoperating
InterestExpenseNonoperating
1000
CY2023Q2 us-gaap Interest Expense Nonoperating
InterestExpenseNonoperating
2000
us-gaap Interest Expense Nonoperating
InterestExpenseNonoperating
2000
us-gaap Interest Expense Nonoperating
InterestExpenseNonoperating
4000
CY2024Q2 us-gaap Investment Income Interest
InvestmentIncomeInterest
2182000
CY2023Q2 us-gaap Investment Income Interest
InvestmentIncomeInterest
1835000
us-gaap Investment Income Interest
InvestmentIncomeInterest
4595000
us-gaap Investment Income Interest
InvestmentIncomeInterest
3503000
CY2024Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-76000
CY2023Q2 us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
113000
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
-88000
us-gaap Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
132000
CY2024Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
2105000
CY2023Q2 us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
1946000
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
4505000
us-gaap Nonoperating Income Expense
NonoperatingIncomeExpense
3631000
CY2024Q2 us-gaap Net Income Loss
NetIncomeLoss
-24640000
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
-16061000
us-gaap Net Income Loss
NetIncomeLoss
-49034000
us-gaap Net Income Loss
NetIncomeLoss
-36135000
CY2024Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-31000
CY2023Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-79000
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-188000
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
47000
CY2024Q2 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-24671000
CY2023Q2 us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-16140000
us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-49222000
us-gaap Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
-36088000
CY2024Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.35
CY2023Q2 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.32
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.69
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
-0.72
CY2024Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
70924371
CY2023Q2 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
50691558
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
70863042
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
50410184
CY2023Q4 us-gaap Stockholders Equity
StockholdersEquity
194099000
CY2024Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
3650000
CY2024Q1 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
9000
CY2024Q1 us-gaap Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
-600000
CY2024Q1 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
169000
CY2024Q1 alt Stock Issued During Period Value Exercise Of Warrants
StockIssuedDuringPeriodValueExerciseOfWarrants
161000
CY2024Q1 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-157000
CY2024Q1 us-gaap Net Income Loss
NetIncomeLoss
-24394000
CY2024Q1 us-gaap Stockholders Equity
StockholdersEquity
172937000
CY2024Q2 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
4311000
CY2024Q2 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
198000
CY2024Q2 us-gaap Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
-244000
CY2024Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-31000
CY2024Q2 us-gaap Net Income Loss
NetIncomeLoss
-24640000
CY2024Q2 us-gaap Stockholders Equity
StockholdersEquity
152531000
CY2022Q4 us-gaap Stockholders Equity
StockholdersEquity
185293000
CY2023Q1 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
2675000
CY2023Q1 us-gaap Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
61000
CY2023Q1 us-gaap Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
-484000
CY2023Q1 us-gaap Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
135000
CY2023Q1 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
126000
CY2023Q1 us-gaap Net Income Loss
NetIncomeLoss
-20074000
CY2023Q1 us-gaap Stockholders Equity
StockholdersEquity
167732000
CY2023Q2 us-gaap Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
2786000
CY2023Q2 us-gaap Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
-16000
CY2023Q2 us-gaap Stock Issued During Period Value New Issues
StockIssuedDuringPeriodValueNewIssues
13352000
CY2023Q2 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
-79000
CY2023Q2 us-gaap Net Income Loss
NetIncomeLoss
-16061000
CY2023Q2 us-gaap Stockholders Equity
StockholdersEquity
167714000
us-gaap Profit Loss
ProfitLoss
-49034000
us-gaap Profit Loss
ProfitLoss
-36135000
us-gaap Share Based Compensation
ShareBasedCompensation
7961000
us-gaap Share Based Compensation
ShareBasedCompensation
5461000
us-gaap Depreciation
Depreciation
168000
us-gaap Depreciation
Depreciation
246000
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
2052000
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
1107000
us-gaap Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
-81000
us-gaap Foreign Currency Transaction Gain Loss Unrealized
ForeignCurrencyTransactionGainLossUnrealized
132000
us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-687000
us-gaap Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
-37000
us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
-3692000
us-gaap Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
250000
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
618000
us-gaap Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
-769000
us-gaap Increase Decrease In Accrued Liabilities And Other Operating Liabilities
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
2260000
us-gaap Increase Decrease In Accrued Liabilities And Other Operating Liabilities
IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
-4930000
alt Increase Decrease In Income Taxes And Tax Incentive Receivable
IncreaseDecreaseInIncomeTaxesAndTaxIncentiveReceivable
-1154000
alt Increase Decrease In Income Taxes And Tax Incentive Receivable
IncreaseDecreaseInIncomeTaxesAndTaxIncentiveReceivable
1211000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-34465000
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
-38790000
us-gaap Proceeds From Sale And Maturity Of Available For Sale Securities
ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
33500000
us-gaap Proceeds From Sale And Maturity Of Available For Sale Securities
ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities
60565000
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
76717000
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
43229000
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
47000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-43217000
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
17289000
alt Payments Of Deferred Offering Costs
PaymentsOfDeferredOfferingCosts
195000
us-gaap Proceeds From Warrant Exercises
ProceedsFromWarrantExercises
161000
us-gaap Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
13352000
alt Payments Of Conditional Economic Incentive
PaymentsOfConditionalEconomicIncentive
90000
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
169000
us-gaap Proceeds From Stock Plans
ProceedsFromStockPlans
135000
us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
207000
us-gaap Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
61000
us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
844000
us-gaap Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
500000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-307000
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
12763000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-77989000
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-8738000
CY2023Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
135158000
CY2022Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
111131000
CY2024Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
57169000
CY2023Q2 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
102393000
alt Addition Operating Lease Liability And Right Of Use Asset
AdditionOperatingLeaseLiabilityAndRightOfUseAsset
1409000
us-gaap Use Of Estimates
UseOfEstimates
<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;font-style:italic;margin:0pt 0pt 12pt 0pt;">Use of Estimates</p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;text-indent:36pt;margin:0pt;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Significant estimates and assumptions made in the accompanying condensed consolidated financial statements include, but are not limited to, </p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;text-align:justify;margin:0pt 0pt 12pt 0pt;">the valuation of share-based awards, income taxes, and accruals for research and development activities. The Company bases its estimates on historical experience and on various other assumptions that are believed to be reasonable. However, actual results could differ from those estimates.</p>
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2023Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2024Q2 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
0
CY2024Q2 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
107932000
CY2024Q2 us-gaap Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax
DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
-152000
CY2024Q2 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
107780000
CY2023Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
62662000
CY2023Q4 us-gaap Debt Securities Available For Sale Accumulated Gross Unrealized Gain Loss Before Tax
DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax
36000
CY2023Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
62698000
CY2024Q2 us-gaap Interest Receivable Current
InterestReceivableCurrent
300000
CY2023Q4 us-gaap Interest Receivable Current
InterestReceivableCurrent
100000
CY2024Q2 alt Assets Or Liabilities Measured At Fair Value On Non Recurring Basis
AssetsOrLiabilitiesMeasuredAtFairValueOnNonRecurringBasis
0
CY2023Q4 alt Assets Or Liabilities Measured At Fair Value On Non Recurring Basis
AssetsOrLiabilitiesMeasuredAtFairValueOnNonRecurringBasis
0
CY2024Q2 us-gaap Lessee Operating Lease Renewal Term
LesseeOperatingLeaseRenewalTerm
P60M
us-gaap Lessee Operating Lease Existence Of Option To Extend
LesseeOperatingLeaseExistenceOfOptionToExtend
true
CY2024Q2 us-gaap Lessee Operating Lease Renewal Term
LesseeOperatingLeaseRenewalTerm
P60M
alt Addition Operating Lease Liability And Right Of Use Asset
AdditionOperatingLeaseLiabilityAndRightOfUseAsset
1400000
CY2024Q2 us-gaap Lessee Operating Lease Discount Rate
LesseeOperatingLeaseDiscountRate
0.095
CY2024Q2 us-gaap Lessee Operating Lease Term Of Contract
LesseeOperatingLeaseTermOfContract
P72M
CY2024Q2 us-gaap Operating Lease Expense
OperatingLeaseExpense
100000
us-gaap Operating Lease Expense
OperatingLeaseExpense
300000
CY2023Q2 us-gaap Operating Lease Expense
OperatingLeaseExpense
100000
us-gaap Operating Lease Expense
OperatingLeaseExpense
300000
us-gaap Operating Lease Payments
OperatingLeasePayments
300000
us-gaap Operating Lease Payments
OperatingLeasePayments
300000
CY2024Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
345000
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
496000
CY2024Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
1517000
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
175000
CY2024Q2 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
1677000
CY2023Q4 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
363000
CY2024Q2 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P5Y9M18D
CY2023Q4 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P1Y3M18D
CY2024Q2 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.095
CY2023Q4 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.072
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
264000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
422000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
376000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
387000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
398000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
410000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
138000
CY2024Q2 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
2395000
CY2024Q2 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
533000
CY2024Q2 us-gaap Operating Lease Liability
OperatingLeaseLiability
1862000
CY2024Q2 us-gaap Accrued Professional Fees Current
AccruedProfessionalFeesCurrent
357000
CY2023Q4 us-gaap Accrued Professional Fees Current
AccruedProfessionalFeesCurrent
293000
CY2024Q2 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
2029000
CY2023Q4 us-gaap Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
3315000
CY2024Q2 alt Accrued Research And Development
AccruedResearchAndDevelopment
9667000
CY2023Q4 alt Accrued Research And Development
AccruedResearchAndDevelopment
5845000
CY2024Q2 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
345000
CY2023Q4 us-gaap Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
496000
CY2024Q2 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
69000
CY2023Q4 us-gaap Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
124000
CY2024Q2 alt Accrued Expenses And Other Current Liabilities
AccruedExpensesAndOtherCurrentLiabilities
12467000
CY2023Q4 alt Accrued Expenses And Other Current Liabilities
AccruedExpensesAndOtherCurrentLiabilities
10073000
CY2024Q2 alt Research And Development Incentive Credit
ResearchAndDevelopmentIncentiveCredit
3952000
CY2023Q4 alt Research And Development Incentive Credit
ResearchAndDevelopmentIncentiveCredit
4023000
CY2024Q2 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
1517000
CY2023Q4 us-gaap Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
175000
CY2024Q2 alt Economic Conditional Incentive Grants
EconomicConditionalIncentiveGrants
160000
CY2023Q4 alt Economic Conditional Incentive Grants
EconomicConditionalIncentiveGrants
160000
CY2024Q2 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
31000
CY2023Q4 us-gaap Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
40000
CY2024Q2 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
5660000
CY2023Q4 us-gaap Liabilities Noncurrent
LiabilitiesNoncurrent
4398000
CY2024Q2 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
200000000
CY2024Q2 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
0.0001
CY2024Q2 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
71046267
CY2024Q2 us-gaap Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
1000000
CY2024Q2 us-gaap Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
0.0001
CY2024Q2 us-gaap Preferred Stock Shares Issued
PreferredStockSharesIssued
0
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
5043593
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
9.33
CY2023 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P5Y10M24D
CY2023Q4 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
16919000
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
1566575
us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
9.32
us-gaap Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
65683
us-gaap Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
3.16
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
260825
us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
8.36
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
6283660
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
9.43
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
P6Y
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
5199000
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
3302235
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
9.30
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
P5Y10M24D
CY2024Q2 us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
4182000
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
6015332
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
9.42
us-gaap Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
P6Y
CY2024Q2 us-gaap Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
5108000
CY2024Q2 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
4311000
CY2023Q2 us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
2786000
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
7961000
us-gaap Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
5461000
ecd Non Rule10b51 Arr Adopted Flag
NonRule10b51ArrAdoptedFlag
false
ecd Rule10b51 Arr Adopted Flag
Rule10b51ArrAdoptedFlag
false
alt Non Rule10b51 Arr Modified Flag
NonRule10b51ArrModifiedFlag
false
alt Rule10b51 Arr Modified Flag
Rule10b51ArrModifiedFlag
false
ecd Non Rule10b51 Arr Trmntd Flag
NonRule10b51ArrTrmntdFlag
false
ecd Rule10b51 Arr Trmntd Flag
Rule10b51ArrTrmntdFlag
false

Files In Submission

Name View Source Status
alt-20240630_def.xml Edgar Link unprocessable
alt-20240630x10q_htm.xml Edgar Link completed
0001326190-24-000030-index-headers.html Edgar Link pending
0001326190-24-000030-index.html Edgar Link pending
0001326190-24-000030.txt Edgar Link pending
0001326190-24-000030-xbrl.zip Edgar Link pending
alt-20240630.xsd Edgar Link pending
alt-20240630x10q.htm Edgar Link pending
alt-20240630x10q002.jpg Edgar Link pending
alt-20240630xex31d1.htm Edgar Link pending
alt-20240630xex31d2.htm Edgar Link pending
alt-20240630xex32d1.htm Edgar Link pending
alt-20240630xex32d2.htm Edgar Link pending
Financial_Report.xlsx Edgar Link pending
MetaLinks.json Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
alt-20240630_cal.xml Edgar Link unprocessable
alt-20240630_pre.xml Edgar Link unprocessable
alt-20240630_lab.xml Edgar Link unprocessable
FilingSummary.xml Edgar Link unprocessable
R40.htm Edgar Link pending
R5.htm Edgar Link pending
R6.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending