2020 Form 10-K Financial Statement
#000156459021009854 Filed on March 01, 2021
Income Statement
Concept | 2020 | 2019 Q4 | 2019 |
---|---|---|---|
Revenue | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Cost Of Revenue | |||
YoY Change | |||
Gross Profit | |||
YoY Change | |||
Gross Profit Margin | |||
Selling, General & Admin | $64.40M | $18.06M | $79.58M |
YoY Change | -19.08% | -7.67% | 14.26% |
% of Gross Profit | |||
Research & Development | $244.7M | $61.64M | $216.1M |
YoY Change | 13.21% | -1.0% | 29.05% |
% of Gross Profit | |||
Depreciation & Amortization | $8.330M | $1.900M | $7.070M |
YoY Change | 17.82% | 28.38% | 89.54% |
% of Gross Profit | |||
Operating Expenses | $309.1M | $79.70M | $295.7M |
YoY Change | 4.52% | -2.59% | 24.7% |
Operating Profit | -$309.1M | -$295.7M | |
YoY Change | 4.52% | 24.7% | |
Interest Expense | $2.450M | $1.220M | $4.720M |
YoY Change | -48.09% | -30.68% | -25.9% |
% of Operating Profit | |||
Other Income/Expense, Net | $2.447M | $4.717M | |
YoY Change | -48.12% | -25.93% | |
Pretax Income | -$306.6M | -$78.48M | -$291.0M |
YoY Change | 5.38% | -1.97% | 26.1% |
Income Tax | $15.00K | $10.00K | $12.00K |
% Of Pretax Income | |||
Net Earnings | -$306.6M | -$78.50M | -$291.0M |
YoY Change | 5.38% | -1.89% | 26.13% |
Net Earnings / Revenue | |||
Basic Earnings Per Share | |||
Diluted Earnings Per Share | -$4.145M | -$1.360M | -$5.671M |
COMMON SHARES | |||
Basic Shares Outstanding | |||
Diluted Shares Outstanding |
Balance Sheet
Concept | 2020 | 2019 Q4 | 2019 |
---|---|---|---|
SHORT-TERM ASSETS | |||
Cash & Short-Term Investments | $500.7M | $259.1M | $259.1M |
YoY Change | 93.25% | -16.31% | -16.31% |
Cash & Equivalents | $200.4M | $74.32M | $74.30M |
Short-Term Investments | $300.3M | $184.8M | $184.8M |
Other Short-Term Assets | $21.40M | $13.90M | $13.90M |
YoY Change | 53.96% | 16.81% | 16.81% |
Inventory | |||
Prepaid Expenses | |||
Receivables | $1.300M | $0.00 | |
Other Receivables | $0.00 | ||
Total Short-Term Assets | $523.3M | $273.0M | $273.0M |
YoY Change | 91.68% | -15.09% | -15.09% |
LONG-TERM ASSETS | |||
Property, Plant & Equipment | $62.80M | $54.18M | $68.20M |
YoY Change | -7.92% | -21.0% | -0.58% |
Goodwill | |||
YoY Change | |||
Intangibles | |||
YoY Change | |||
Long-Term Investments | |||
YoY Change | |||
Other Assets | $2.000M | $567.0K | $1.800M |
YoY Change | 11.11% | -1.22% | 0.0% |
Total Long-Term Assets | $64.80M | $69.95M | $69.90M |
YoY Change | -7.3% | -0.57% | -0.57% |
TOTAL ASSETS | |||
Total Short-Term Assets | $523.3M | $273.0M | $273.0M |
Total Long-Term Assets | $64.80M | $69.95M | $69.90M |
Total Assets | $588.1M | $342.9M | $342.9M |
YoY Change | 71.51% | -12.48% | -12.48% |
SHORT-TERM LIABILITIES | |||
YoY Change | |||
Accounts Payable | $7.100M | $7.963M | $8.000M |
YoY Change | -11.25% | 114.12% | 116.22% |
Accrued Expenses | $42.10M | $3.900M | $28.50M |
YoY Change | 47.72% | -30.69% | -4.36% |
Deferred Revenue | |||
YoY Change | |||
Short-Term Debt | $0.00 | $0.00 | $0.00 |
YoY Change | |||
Long-Term Debt Due | $300.0K | $300.0K | $300.0K |
YoY Change | 0.0% | ||
Total Short-Term Liabilities | $82.90M | $36.74M | $36.70M |
YoY Change | 125.89% | -8.09% | -8.25% |
LONG-TERM LIABILITIES | |||
Long-Term Debt | $100.0K | $200.0K | $200.0K |
YoY Change | -50.0% | ||
Other Long-Term Liabilities | $42.70M | $1.282M | $15.20M |
YoY Change | 180.92% | -90.14% | 16.92% |
Total Long-Term Liabilities | $42.80M | $1.282M | $15.40M |
YoY Change | 177.92% | -90.14% | 18.46% |
TOTAL LIABILITIES | |||
Total Short-Term Liabilities | $82.90M | $36.74M | $36.70M |
Total Long-Term Liabilities | $42.80M | $1.282M | $15.40M |
Total Liabilities | $125.8M | $52.16M | $52.20M |
YoY Change | 141.0% | -1.55% | -1.51% |
SHAREHOLDERS EQUITY | |||
Retained Earnings | -$818.0M | ||
YoY Change | 55.11% | ||
Common Stock | $1.109B | ||
YoY Change | 27.92% | ||
Preferred Stock | |||
YoY Change | |||
Treasury Stock (at cost) | |||
YoY Change | |||
Treasury Stock Shares | |||
Shareholders Equity | $462.3M | $290.8M | $290.8M |
YoY Change | |||
Total Liabilities & Shareholders Equity | $588.1M | $342.9M | $342.9M |
YoY Change | 71.51% | -12.48% | -12.48% |
Cashflow Statement
Concept | 2020 | 2019 Q4 | 2019 |
---|---|---|---|
OPERATING ACTIVITIES | |||
Net Income | -$306.6M | -$78.50M | -$291.0M |
YoY Change | 5.38% | -1.89% | 26.13% |
Depreciation, Depletion And Amortization | $8.330M | $1.900M | $7.070M |
YoY Change | 17.82% | 28.38% | 89.54% |
Cash From Operating Activities | -$180.8M | -$58.69M | -$235.6M |
YoY Change | -23.29% | 2.21% | 31.07% |
INVESTING ACTIVITIES | |||
Capital Expenditures | $4.513M | -$2.710M | $5.733M |
YoY Change | -21.28% | -35.01% | -84.04% |
Acquisitions | |||
YoY Change | |||
Other Investing Activities | -$116.2M | $3.840M | $66.19M |
YoY Change | -275.59% | -92.36% | -141.28% |
Cash From Investing Activities | -$120.7M | $1.130M | $60.46M |
YoY Change | -299.69% | -97.55% | -130.8% |
FINANCING ACTIVITIES | |||
Cash Dividend Paid | |||
YoY Change | |||
Common Stock Issuance & Retirement, Net | $69.19M | $47.73M | |
YoY Change | 44.96% | 0.3% | |
Debt Paid & Issued, Net | |||
YoY Change | |||
Cash From Financing Activities | 427.6M | 37.45M | 188.8M |
YoY Change | 126.49% | 522.09% | -47.2% |
NET CHANGE | |||
Cash From Operating Activities | -180.8M | -58.69M | -235.6M |
Cash From Investing Activities | -120.7M | 1.130M | 60.46M |
Cash From Financing Activities | 427.6M | 37.45M | 188.8M |
Net Change In Cash | 126.1M | -20.11M | 13.62M |
YoY Change | 825.82% | 277.3% | -173.52% |
FREE CASH FLOW | |||
Cash From Operating Activities | -$180.8M | -$58.69M | -$235.6M |
Capital Expenditures | $4.513M | -$2.710M | $5.733M |
Free Cash Flow | -$185.3M | -$55.98M | -$241.4M |
YoY Change | -23.24% | 5.13% | 11.9% |
Facts In Submission
Frame | Concept Type | Concept / XBRL Key | Value | Unit |
---|---|---|---|---|
CY2019Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
290781000 | |
CY2020Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2019Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
||
CY2019Q4 | us-gaap |
Assets Current
AssetsCurrent
|
272992000 | |
CY2019Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
74317000 | |
CY2019Q4 | us-gaap |
Short Term Investments
ShortTermInvestments
|
184792000 | |
CY2019Q4 | us-gaap |
Restricted Cash Current
RestrictedCashCurrent
|
194000 | |
CY2020 | dei |
Entity Incorporation Date Of Incorporation
EntityIncorporationDateOfIncorporation
|
2012-08-01 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Current Statement Of Financial Position Extensible List
OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
|
us-gaap:OtherLiabilitiesCurrent | |
CY2020Q4 | us-gaap |
Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List
OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
|
us-gaap:OtherLiabilitiesNoncurrent | |
CY2020Q4 | us-gaap |
Finance Lease Liability Current Statement Of Financial Position Extensible List
FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList
|
us-gaap:OtherLiabilitiesCurrent | |
CY2020Q4 | us-gaap |
Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List
FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList
|
us-gaap:OtherLiabilitiesNoncurrent | |
CY2020 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P6Y | |
CY2019 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P5Y10M24D | |
CY2018 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P4Y7M6D | |
CY2018 | us-gaap |
Accounting Standards Update Extensible List
AccountingStandardsUpdateExtensibleList
|
us-gaap:AccountingStandardsUpdate201602Member | |
CY2020Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
1250000 | |
CY2019Q4 | us-gaap |
Accounts Receivable Net Current
AccountsReceivableNetCurrent
|
0 | |
CY2020Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
21170000 | |
CY2019Q4 | us-gaap |
Prepaid Expense And Other Assets Current
PrepaidExpenseAndOtherAssetsCurrent
|
13689000 | |
CY2020Q4 | us-gaap |
Assets Current
AssetsCurrent
|
523273000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
50517000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
54176000 | |
CY2019Q4 | us-gaap |
Liabilities
Liabilities
|
52161000 | |
CY2020Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
82901000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
13041000 | |
CY2020Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
2044000 | |
CY2020Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.0001 | |
CY2019Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.0001 | |
CY2020Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
500000000 | |
CY2019Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
500000000 | |
CY2020Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
83372000 | |
CY2020Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
83372000 | |
CY2019Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
56806000 | |
CY2019Q4 | us-gaap |
Common Stock Shares Outstanding
CommonStockSharesOutstanding
|
56806000 | |
CY2020Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
8000 | |
CY2019Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
6000 | |
CY2020Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1586616000 | |
CY2019Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
1108516000 | |
CY2020Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
296000 | |
CY2019Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
220000 | |
CY2020Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-1124581000 | |
CY2019Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
-817961000 | |
CY2020Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
462339000 | |
CY2020 | us-gaap |
Operating Expenses
OperatingExpenses
|
309052000 | |
CY2020 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-309052000 | |
CY2019Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
290781000 | |
CY2018 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
69654000 | |
CY2019 | us-gaap |
Operating Expenses
OperatingExpenses
|
295681000 | |
CY2020Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
588120000 | |
CY2019Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
342942000 | |
CY2019 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
79584000 | |
CY2020 | dei |
Icfr Auditor Attestation Flag
IcfrAuditorAttestationFlag
|
true | |
CY2020 | us-gaap |
Research And Development Expense
ResearchAndDevelopmentExpense
|
244650000 | |
CY2019 | us-gaap |
Research And Development Expense
ResearchAndDevelopmentExpense
|
216097000 | |
CY2018 | us-gaap |
Research And Development Expense
ResearchAndDevelopmentExpense
|
167457000 | |
CY2020 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
64402000 | |
CY2018 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-237111000 | |
CY2018 | us-gaap |
Operating Expenses
OperatingExpenses
|
237111000 | |
CY2020Q4 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
12303000 | |
CY2019Q4 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
14007000 | |
CY2020Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
1200000 | |
CY2019Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
1200000 | |
CY2020Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
827000 | |
CY2019Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
567000 | |
CY2020Q4 | us-gaap |
Assets
Assets
|
588120000 | |
CY2019Q4 | us-gaap |
Assets
Assets
|
342942000 | |
CY2020Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
7118000 | |
CY2019Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
7963000 | |
CY2020Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
20458000 | |
CY2019Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
14706000 | |
CY2020Q4 | atra |
Accrued Research And Development Expenses Current
AccruedResearchAndDevelopmentExpensesCurrent
|
15813000 | |
CY2019Q4 | atra |
Accrued Research And Development Expenses Current
AccruedResearchAndDevelopmentExpensesCurrent
|
8341000 | |
CY2020Q4 | us-gaap |
Deferred Income Current
DeferredIncomeCurrent
|
33455000 | |
CY2019Q4 | us-gaap |
Deferred Income Current
DeferredIncomeCurrent
|
0 | |
CY2020Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
6057000 | |
CY2019Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
5733000 | |
CY2019Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
36743000 | |
CY2020Q4 | us-gaap |
Deferred Income Noncurrent
DeferredIncomeNoncurrent
|
27795000 | |
CY2019Q4 | us-gaap |
Deferred Income Noncurrent
DeferredIncomeNoncurrent
|
0 | |
CY2019Q4 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
14136000 | |
CY2019Q4 | us-gaap |
Other Liabilities Noncurrent
OtherLiabilitiesNoncurrent
|
1282000 | |
CY2020Q4 | us-gaap |
Liabilities
Liabilities
|
125781000 | |
CY2019 | us-gaap |
Operating Income Loss
OperatingIncomeLoss
|
-295681000 | |
CY2020 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
2447000 | |
CY2019 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
4717000 | |
CY2018 | us-gaap |
Other Nonoperating Income Expense
OtherNonoperatingIncomeExpense
|
6368000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-306605000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-290964000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-230743000 | |
CY2020 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
15000 | |
CY2019 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
12000 | |
CY2018 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
-44000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-290976000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-230699000 | |
CY2018 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
-189000 | |
CY2020 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
73973000 | |
CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
177864000 | |
CY2018 | us-gaap |
Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
|
7503000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
1250000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
0 | |
CY2020 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
8666000 | |
CY2020 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
51351000 | |
CY2019 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
51696000 | |
CY2018 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
33817000 | |
CY2020 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
8332000 | |
CY2019 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
7070000 | |
CY2018 | atra |
Issuance Of Common Stock Pursuant To Employee Stock Awards Value
IssuanceOfCommonStockPursuantToEmployeeStockAwardsValue
|
24691000 | |
CY2018 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
33817000 | |
CY2018 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-230699000 | |
CY2018 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
-189000 | |
CY2018Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
338857000 | |
CY2019 | us-gaap |
Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
|
6695000 | |
CY2019 | atra |
Issuance Of Common Stock Pursuant To Employee Stock Awards Value
IssuanceOfCommonStockPursuantToEmployeeStockAwardsValue
|
7350000 | |
CY2019 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
51696000 | |
CY2019 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-290976000 | |
CY2019 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
560000 | |
CY2020 | us-gaap |
Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
|
1521000 | |
CY2020 | atra |
Issuance Of Common Stock Pursuant To Employee Stock Awards Value
IssuanceOfCommonStockPursuantToEmployeeStockAwardsValue
|
6680000 | |
CY2020 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
51351000 | |
CY2020 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-306620000 | |
CY2020 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
76000 | |
CY2020Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
462339000 | |
CY2020 | us-gaap |
Profit Loss
ProfitLoss
|
-306620000 | |
CY2019 | us-gaap |
Profit Loss
ProfitLoss
|
-290976000 | |
CY2018 | us-gaap |
Profit Loss
ProfitLoss
|
-230699000 | |
CY2018 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
3732000 | |
CY2020 | atra |
Non Cash Operating Lease Expense
NonCashOperatingLeaseExpense
|
1457000 | |
CY2019 | atra |
Non Cash Operating Lease Expense
NonCashOperatingLeaseExpense
|
964000 | |
CY2018 | atra |
Non Cash Operating Lease Expense
NonCashOperatingLeaseExpense
|
0 | |
CY2020 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
-828000 | |
CY2019 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
1330000 | |
CY2018 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
1885000 | |
CY2020 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-130000 | |
CY2019 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
-1027000 | |
CY2018 | us-gaap |
Gain Loss On Sale Of Property Plant Equipment
GainLossOnSaleOfPropertyPlantEquipment
|
0 | |
CY2019 | us-gaap |
Accretion Expense
AccretionExpense
|
71000 | |
CY2018 | us-gaap |
Accretion Expense
AccretionExpense
|
49000 | |
CY2020 | us-gaap |
Paid In Kind Interest
PaidInKindInterest
|
0 | |
CY2019 | us-gaap |
Paid In Kind Interest
PaidInKindInterest
|
0 | |
CY2018 | us-gaap |
Paid In Kind Interest
PaidInKindInterest
|
211000 | |
CY2018 | us-gaap |
Increase Decrease In Accounts Receivable
IncreaseDecreaseInAccountsReceivable
|
0 | |
CY2019 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
998000 | |
CY2018 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
5764000 | |
CY2020 | atra |
Increase Decrease In Operating Lease Assets
IncreaseDecreaseInOperatingLeaseAssets
|
-886000 | |
CY2019 | atra |
Increase Decrease In Operating Lease Assets
IncreaseDecreaseInOperatingLeaseAssets
|
-239000 | |
CY2018 | atra |
Increase Decrease In Operating Lease Assets
IncreaseDecreaseInOperatingLeaseAssets
|
0 | |
CY2020 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
219000 | |
CY2019 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-322000 | |
CY2018 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
314000 | |
CY2020 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-815000 | |
CY2019 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
4213000 | |
CY2018 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
-1958000 | |
CY2020 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
5752000 | |
CY2019 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
4070000 | |
CY2018 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
4972000 | |
CY2020 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
7472000 | |
CY2019 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
-10869000 | |
CY2018 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
15204000 | |
CY2020 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
-187000 | |
CY2019 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
-394000 | |
CY2018 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
2491000 | |
CY2020 | us-gaap |
Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
|
61250000 | |
CY2019 | us-gaap |
Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
|
0 | |
CY2018 | us-gaap |
Increase Decrease In Deferred Revenue
IncreaseDecreaseInDeferredRevenue
|
0 | |
CY2020 | atra |
Increase Decrease In Operating Lease Liabilities
IncreaseDecreaseInOperatingLeaseLiabilities
|
-1316000 | |
CY2019 | atra |
Increase Decrease In Operating Lease Liabilities
IncreaseDecreaseInOperatingLeaseLiabilities
|
-731000 | |
CY2018 | atra |
Increase Decrease In Operating Lease Liabilities
IncreaseDecreaseInOperatingLeaseLiabilities
|
0 | |
CY2020 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
778000 | |
CY2019 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
0 | |
CY2018 | us-gaap |
Increase Decrease In Other Noncurrent Liabilities
IncreaseDecreaseInOtherNoncurrentLiabilities
|
372000 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-180759000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-235626000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
-179772000 | |
CY2020 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
425868000 | |
CY2019 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
270230000 | |
CY2018 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
466489000 | |
CY2020 | us-gaap |
Proceeds From Sale Maturity And Collection Of Shortterm Investments
ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments
|
309653000 | |
CY2019 | us-gaap |
Proceeds From Sale Maturity And Collection Of Shortterm Investments
ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments
|
336261000 | |
CY2018 | us-gaap |
Proceeds From Sale Maturity And Collection Of Shortterm Investments
ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments
|
306125000 | |
CY2020 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
4513000 | |
CY2019 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
5733000 | |
CY2018 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
35925000 | |
CY2020 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
0 | |
CY2019 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
161000 | |
CY2018 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
0 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-120728000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
60459000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-196289000 | |
CY2020 | atra |
Proceeds From Issuance Of Pre Funded Warrants In Underwritten Public Offering
ProceedsFromIssuanceOfPreFundedWarrantsInUnderwrittenPublicOffering
|
353780000 | |
CY2019 | atra |
Proceeds From Issuance Of Pre Funded Warrants In Underwritten Public Offering
ProceedsFromIssuanceOfPreFundedWarrantsInUnderwrittenPublicOffering
|
140888000 | |
CY2018 | atra |
Proceeds From Issuance Of Pre Funded Warrants In Underwritten Public Offering
ProceedsFromIssuanceOfPreFundedWarrantsInUnderwrittenPublicOffering
|
293290000 | |
CY2020 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
69189000 | |
CY2019 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
47729000 | |
CY2018 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
47586000 | |
CY2020 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
6680000 | |
CY2019 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
7350000 | |
CY2018 | us-gaap |
Proceeds From Stock Plans
ProceedsFromStockPlans
|
24691000 | |
CY2020 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
1521000 | |
CY2019 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
6695000 | |
CY2018 | us-gaap |
Payments Related To Tax Withholding For Share Based Compensation
PaymentsRelatedToTaxWithholdingForShareBasedCompensation
|
7503000 | |
CY2020 | us-gaap |
Finance Lease Principal Payments
FinanceLeasePrincipalPayments
|
389000 | |
CY2019 | us-gaap |
Finance Lease Principal Payments
FinanceLeasePrincipalPayments
|
486000 | |
CY2018 | us-gaap |
Finance Lease Principal Payments
FinanceLeasePrincipalPayments
|
528000 | |
CY2020 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-165000 | |
CY2019 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
0 | |
CY2018 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
0 | |
CY2020 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
427574000 | |
CY2019 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
188786000 | |
CY2018 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
357536000 | |
CY2020 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
126087000 | |
CY2019 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
13619000 | |
CY2018 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
-18525000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
75711000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
62092000 | |
CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
80617000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
201798000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
75711000 | |
CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
62092000 | |
CY2020 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
326000 | |
CY2019 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
276000 | |
CY2018 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
1579000 | |
CY2020 | atra |
Non Cash Investing And Financing Activities Accrued Costs Related To Underwritten Public Offering
NonCashInvestingAndFinancingActivitiesAccruedCostsRelatedToUnderwrittenPublicOffering
|
192000 | |
CY2019 | atra |
Non Cash Investing And Financing Activities Accrued Costs Related To Underwritten Public Offering
NonCashInvestingAndFinancingActivitiesAccruedCostsRelatedToUnderwrittenPublicOffering
|
172000 | |
CY2018 | atra |
Non Cash Investing And Financing Activities Accrued Costs Related To Underwritten Public Offering
NonCashInvestingAndFinancingActivitiesAccruedCostsRelatedToUnderwrittenPublicOffering
|
0 | |
CY2020 | atra |
Proceeds From Issuance Of Common Stock Through At The Market Offering Facilities Not Yet Received
ProceedsFromIssuanceOfCommonStockThroughAtTheMarketOfferingFacilitiesNotYetReceived
|
0 | |
CY2019 | atra |
Proceeds From Issuance Of Common Stock Through At The Market Offering Facilities Not Yet Received
ProceedsFromIssuanceOfCommonStockThroughAtTheMarketOfferingFacilitiesNotYetReceived
|
1185000 | |
CY2018 | atra |
Proceeds From Issuance Of Common Stock Through At The Market Offering Facilities Not Yet Received
ProceedsFromIssuanceOfCommonStockThroughAtTheMarketOfferingFacilitiesNotYetReceived
|
0 | |
CY2020 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | |
CY2019 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | |
CY2018 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
441000 | |
CY2020 | atra |
Property Plant And Equipment Acquired Under Capital Lease
PropertyPlantAndEquipmentAcquiredUnderCapitalLease
|
0 | |
CY2019 | atra |
Property Plant And Equipment Acquired Under Capital Lease
PropertyPlantAndEquipmentAcquiredUnderCapitalLease
|
0 | |
CY2018 | atra |
Property Plant And Equipment Acquired Under Capital Lease
PropertyPlantAndEquipmentAcquiredUnderCapitalLease
|
191000 | |
CY2020 | us-gaap |
Settlement Of Asset Retirement Obligations Through Noncash Payments Amount
SettlementOfAssetRetirementObligationsThroughNoncashPaymentsAmount
|
0 | |
CY2019 | us-gaap |
Settlement Of Asset Retirement Obligations Through Noncash Payments Amount
SettlementOfAssetRetirementObligationsThroughNoncashPaymentsAmount
|
0 | |
CY2018 | us-gaap |
Settlement Of Asset Retirement Obligations Through Noncash Payments Amount
SettlementOfAssetRetirementObligationsThroughNoncashPaymentsAmount
|
88000 | |
CY2020 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
0 | |
CY2019 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
0 | |
CY2018 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
77000 | |
CY2020 | us-gaap |
Interest Paid Net
InterestPaidNet
|
62000 | |
CY2019 | us-gaap |
Interest Paid Net
InterestPaidNet
|
50000 | |
CY2018 | us-gaap |
Interest Paid Net
InterestPaidNet
|
240000 | |
CY2020 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
10000 | |
CY2019 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
0 | |
CY2018 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
0 | |
CY2020 | dei |
Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
|
DE | |
CY2020 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
1 | |
CY2020 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
CY2019 | atra |
Operating Lease Cost Including Short Term Lease
OperatingLeaseCostIncludingShortTermLease
|
3348000 | |
CY2020 | us-gaap |
Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
|
389000 | |
CY2019 | us-gaap |
Finance Lease Right Of Use Asset Amortization
FinanceLeaseRightOfUseAssetAmortization
|
324000 | |
CY2019 | us-gaap |
Finance Lease Interest Expense
FinanceLeaseInterestExpense
|
56000 | |
CY2020 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<p style="margin-bottom:0pt;margin-top:18pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Use of Estimates </p> <p style="margin-top:6pt;margin-bottom:0pt;text-indent:4.54%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. Significant estimates relied upon in preparing these financial statements include estimates related to revenue recognition, clinical study and other accruals, stock-based compensation expense and income taxes. Actual results could differ materially from those estimates. </p> | |
CY2020 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<p style="margin-bottom:0pt;margin-top:18pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Concentration of Credit Risk and Other Uncertainties </p> <p style="margin-bottom:0pt;margin-top:6pt;text-indent:4.54%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">We place cash and cash equivalents in the custody of financial institutions that management believes are of high credit quality, the amount of which at times, may be in excess of the amount insured by the Federal Deposit Insurance Corporation. We also make short-term investments in money market funds; U.S. Treasury, government agency and corporate debt obligations; commercial paper; certificates of deposit; and asset-backed securities, which can be subject to certain credit risk. However, we mitigate the risks by investing in high-grade instruments, limiting our exposure to any one issuer and monitoring the ongoing creditworthiness of the financial institutions and issuers.</p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:4.54%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">O</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">ne research, development and license agreement </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">entered into in 2020 </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">accounted for </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">all of the</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> deferred revenue as of December 31, </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2020</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">. For the year ended December 31, </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">2020</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">, </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">we</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> did not recognize any revenue from this agreement.</span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"> </span><span style="font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Our accounts receivable balance consists of amounts due pursuant to this agreement. We believe the receivable balance is fully collectible.</span></p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:4.54%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">We are subject to certain risks and uncertainties and believe that changes in any of the following areas could have a material adverse effect on future financial position or results of operations: our ability to obtain future financing; regulatory approval and market acceptance of, and reimbursement for, our product candidates, if approved by applicable regulatory authorities; performance of third-party clinical research organizations and manufacturers upon which we rely; development of sales channels; protection of our intellectual property; litigation or claims against us based on intellectual property, patent, product, regulatory or other factors; and our ability to attract and retain employees necessary to support our growth. </p> | |
CY2019Q1 | us-gaap |
Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
|
14300000 | |
CY2019Q1 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
15300000 | |
CY2020Q4 | atra |
Operating Lease Obligation
OperatingLeaseObligation
|
10300000 | |
CY2020 | atra |
Cash And Cash Equivalents Maturity Period
CashAndCashEquivalentsMaturityPeriod
|
P90D | |
CY2020 | atra |
Investment Maturity Period
InvestmentMaturityPeriod
|
P90D | |
CY2020 | us-gaap |
Impairment Of Long Lived Assets Held For Use
ImpairmentOfLongLivedAssetsHeldForUse
|
0 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0 | |
CY2020 | us-gaap |
Description Of Defined Contribution Pension And Other Postretirement Plans
DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans
|
401(k) | |
CY2019 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
|
0.50 | |
CY2019 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent
DefinedContributionPlanEmployerMatchingContributionPercent
|
0.06 | |
CY2020 | atra |
Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
|
2100000 | |
CY2019 | atra |
Defined Contribution Plan Contributions By Employer
DefinedContributionPlanContributionsByEmployer
|
1600000 | |
CY2020Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
3016000 | |
CY2019Q4 | us-gaap |
Accrued Liabilities Current
AccruedLiabilitiesCurrent
|
3900000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
1730000 | |
CY2019Q4 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
1312000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
|
255000 | |
CY2019Q4 | us-gaap |
Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
|
269000 | |
CY2020Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
1056000 | |
CY2019Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
252000 | |
CY2020Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
6057000 | |
CY2019Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
5733000 | |
CY2020 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
10727142 | |
CY2019 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
8865464 | |
CY2018 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
7690433 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
434828000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
435023000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
214085000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
214199000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
64221000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
64322000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
42993000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
43100000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
499049000 | |
CY2020Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
499345000 | |
CY2020Q4 | us-gaap |
Interest Receivable
InterestReceivable
|
700000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
257078000 | |
CY2019Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
257299000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due Next Twelve Months
FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
|
282000 | |
CY2019Q4 | us-gaap |
Interest Receivable
InterestReceivable
|
900000 | |
CY2020 | atra |
Write Off Of Accrued Interest Receivable
WriteOffOfAccruedInterestReceivable
|
0 | |
CY2019 | atra |
Write Off Of Accrued Interest Receivable
WriteOffOfAccruedInterestReceivable
|
0 | |
CY2018 | atra |
Write Off Of Accrued Interest Receivable
WriteOffOfAccruedInterestReceivable
|
0 | |
CY2020Q4 | us-gaap |
Restricted Cash
RestrictedCash
|
1400000 | |
CY2019Q4 | us-gaap |
Restricted Cash
RestrictedCash
|
1400000 | |
CY2020Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
200404000 | |
CY2019Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
74317000 | |
CY2020Q4 | us-gaap |
Restricted Cash Current
RestrictedCashCurrent
|
194000 | |
CY2019Q4 | us-gaap |
Restricted Cash Current
RestrictedCashCurrent
|
194000 | |
CY2020Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
1200000 | |
CY2019Q4 | us-gaap |
Restricted Cash Noncurrent
RestrictedCashNoncurrent
|
1200000 | |
CY2020Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
201798000 | |
CY2019Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
75711000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
70193000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
65854000 | |
CY2020Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
19676000 | |
CY2019Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
11678000 | |
CY2020Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
50517000 | |
CY2019Q4 | us-gaap |
Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
|
54176000 | |
CY2020 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
8300000 | |
CY2019 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
7100000 | |
CY2018 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
3700000 | |
CY2020Q4 | atra |
Due To Licensors Current And Noncurrent
DueToLicensorsCurrentAndNoncurrent
|
0 | |
CY2019Q4 | atra |
Due To Licensors Current And Noncurrent
DueToLicensorsCurrentAndNoncurrent
|
0 | |
CY2020Q4 | us-gaap |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
|
P3Y | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
|
2835000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Next Twelve Months
LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
|
3177000 | |
CY2019 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
770000 | |
CY2020 | atra |
Operating Lease Cost Including Short Term Lease
OperatingLeaseCostIncludingShortTermLease
|
4007000 | |
CY2020 | us-gaap |
Finance Lease Interest Expense
FinanceLeaseInterestExpense
|
60000 | |
CY2020 | atra |
Finance Lease Cost
FinanceLeaseCost
|
449000 | |
CY2019 | atra |
Finance Lease Cost
FinanceLeaseCost
|
380000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due Year Two
FinanceLeaseLiabilityPaymentsDueYearTwo
|
130000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
|
2696000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due Year Three
FinanceLeaseLiabilityPaymentsDueYearThree
|
29000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
|
2593000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due Year Four
FinanceLeaseLiabilityPaymentsDueYearFour
|
0 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
|
2587000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due Year Five
FinanceLeaseLiabilityPaymentsDueYearFive
|
0 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
|
9300000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due After Year Five
FinanceLeaseLiabilityPaymentsDueAfterYearFive
|
0 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
|
23188000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Payments Due
FinanceLeaseLiabilityPaymentsDue
|
441000 | |
CY2020Q4 | us-gaap |
Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
|
8417000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Undiscounted Excess Amount
FinanceLeaseLiabilityUndiscountedExcessAmount
|
37000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
14771000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability
FinanceLeaseLiability
|
404000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Current
OperatingLeaseLiabilityCurrent
|
1730000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Current
FinanceLeaseLiabilityCurrent
|
255000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability Noncurrent
OperatingLeaseLiabilityNoncurrent
|
13041000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability Noncurrent
FinanceLeaseLiabilityNoncurrent
|
149000 | |
CY2020Q4 | us-gaap |
Operating Lease Liability
OperatingLeaseLiability
|
14771000 | |
CY2020Q4 | us-gaap |
Finance Lease Liability
FinanceLeaseLiability
|
404000 | |
CY2020 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
3020000 | |
CY2019 | us-gaap |
Operating Lease Cost
OperatingLeaseCost
|
2578000 | |
CY2020 | us-gaap |
Short Term Lease Cost
ShortTermLeaseCost
|
987000 | |
CY2018 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
2200000 | |
CY2020 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
2878000 | |
CY2019 | us-gaap |
Operating Lease Payments
OperatingLeasePayments
|
2346000 | |
CY2020 | us-gaap |
Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
|
62000 | |
CY2019 | us-gaap |
Finance Lease Interest Payment On Liability
FinanceLeaseInterestPaymentOnLiability
|
50000 | |
CY2020 | us-gaap |
Finance Lease Principal Payments
FinanceLeasePrincipalPayments
|
389000 | |
CY2019 | us-gaap |
Finance Lease Principal Payments
FinanceLeasePrincipalPayments
|
486000 | |
CY2020 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
0 | |
CY2019 | us-gaap |
Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
|
838000 | |
CY2020 | us-gaap |
Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
|
281000 | |
CY2019 | us-gaap |
Right Of Use Asset Obtained In Exchange For Finance Lease Liability
RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
|
323000 | |
CY2020 | atra |
Non Cash Increase To Operating Lease Assets Due To Remeasurement Of Lease Liabilities
NonCashIncreaseToOperatingLeaseAssetsDueToRemeasurementOfLeaseLiabilities
|
639000 | |
CY2019 | atra |
Non Cash Increase To Operating Lease Assets Due To Remeasurement Of Lease Liabilities
NonCashIncreaseToOperatingLeaseAssetsDueToRemeasurementOfLeaseLiabilities
|
0 | |
CY2020Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P9Y4M24D | |
CY2019Q4 | us-gaap |
Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
|
P10Y3M18D | |
CY2020Q4 | us-gaap |
Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
|
P1Y8M12D | |
CY2019Q4 | us-gaap |
Finance Lease Weighted Average Remaining Lease Term1
FinanceLeaseWeightedAverageRemainingLeaseTerm1
|
P2Y6M | |
CY2020Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.103 | |
CY2019Q4 | us-gaap |
Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
|
0.104 | |
CY2020Q4 | us-gaap |
Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
|
0.097 | |
CY2019Q4 | us-gaap |
Finance Lease Weighted Average Discount Rate Percent
FinanceLeaseWeightedAverageDiscountRatePercent
|
0.100 | |
CY2019Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
788000 | |
CY2020 | us-gaap |
Asset Retirement Obligation Accretion Expense
AssetRetirementObligationAccretionExpense
|
78000 | |
CY2020Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
866000 | |
CY2020Q4 | atra |
Accrued Termination Charges
AccruedTerminationCharges
|
0 | |
CY2019Q4 | atra |
Accrued Termination Charges
AccruedTerminationCharges
|
0 | |
CY2020Q4 | atra |
Liabilities Related To Indemnification Agreements
LiabilitiesRelatedToIndemnificationAgreements
|
0 | |
CY2019Q4 | atra |
Liabilities Related To Indemnification Agreements
LiabilitiesRelatedToIndemnificationAgreements
|
0 | |
CY2020Q4 | us-gaap |
Capital Units Authorized
CapitalUnitsAuthorized
|
520000000 | |
CY2020Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
0.0001 | |
CY2020Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.0001 | |
CY2020Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
500000000 | |
CY2020Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
20000000 | |
CY2020Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2019Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Terms Of Award
ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfAward
|
the exercise price of an option granted to a 10% shareholder cannot be less than 110% of the estimated fair value of the shares on the date of grant. Options granted generally vest over four years and expire in seven to ten years. | |
CY2020 | atra |
Shareholder Ownership Percent
ShareholderOwnershipPercent
|
0.10 | |
CY2020 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
268938 | |
CY2019 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
347716 | |
CY2018 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
1051180 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
1000000.0 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
3800000 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
19200000 | |
CY2020 | us-gaap |
Deferred Tax Expense From Stock Options Exercised
DeferredTaxExpenseFromStockOptionsExercised
|
0 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.768 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.761 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.735 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.008 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.021 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.027 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.000 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.000 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.000 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
7.96 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
18.06 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
22.96 | |
CY2020 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
2641125 | |
CY2019 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
2535425 | |
CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
2998650 | |
CY2020 | atra |
Share Based Compensation Arrangement By Share Based Payment Award Options Estimated Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEstimatedGrantDateFairValue
|
21023000 | |
CY2019 | atra |
Share Based Compensation Arrangement By Share Based Payment Award Options Estimated Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEstimatedGrantDateFairValue
|
45790000 | |
CY2018 | atra |
Share Based Compensation Arrangement By Share Based Payment Award Options Estimated Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEstimatedGrantDateFairValue
|
68849000 | |
CY2020 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
29400000 | |
CY2019 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
31600000 | |
CY2018 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
16200000 | |
CY2020Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
17130745 | |
CY2020 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
51351000 | |
CY2019 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
51696000 | |
CY2018 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
33817000 | |
CY2020 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
13000 | |
CY2019 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
12000 | |
CY2018 | us-gaap |
Current Foreign Tax Expense Benefit
CurrentForeignTaxExpenseBenefit
|
2000 | |
CY2020 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
15000 | |
CY2019 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
12000 | |
CY2018 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-44000 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-306758000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-291049000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-230765000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
153000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
85000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
22000 | |
CY2020 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-306605000 | |
CY2019 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-290964000 | |
CY2018 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
|
-230743000 | |
CY2020 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
CY2019 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
CY2018 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
-31000 | |
CY2020 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
2000 | |
CY2019 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
0 | |
CY2018 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-15000 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.210 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.024 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
0.001 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
0 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Other
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
|
-0.001 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Other
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
|
-0.007 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Other
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther
|
-0.007 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment
|
0 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment
|
0 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment
|
0.078 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.003 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.002 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.006 | |
CY2020 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.188 | |
CY2019 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.202 | |
CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.275 | |
CY2020 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2019 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2018 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
237010000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
162436000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
20672000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
17573000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense
DeferredTaxAssetsTaxDeferredExpense
|
12590000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense
DeferredTaxAssetsTaxDeferredExpense
|
14129000 | |
CY2020Q4 | atra |
Deferred Tax Assets License Fees
DeferredTaxAssetsLicenseFees
|
8159000 | |
CY2019Q4 | atra |
Deferred Tax Assets License Fees
DeferredTaxAssetsLicenseFees
|
6870000 | |
CY2020Q4 | atra |
Deferred Tax Assets Operating Lease Liabilities
DeferredTaxAssetsOperatingLeaseLiabilities
|
4251000 | |
CY2019Q4 | atra |
Deferred Tax Assets Operating Lease Liabilities
DeferredTaxAssetsOperatingLeaseLiabilities
|
4325000 | |
CY2020Q4 | atra |
Deferred Tax Assets Legal Fees
DeferredTaxAssetsLegalFees
|
2136000 | |
CY2019Q4 | atra |
Deferred Tax Assets Legal Fees
DeferredTaxAssetsLegalFees
|
1683000 | |
CY2020Q4 | atra |
Deferred Tax Assets Tax Credits
DeferredTaxAssetsTaxCredits
|
1580000 | |
CY2019Q4 | atra |
Deferred Tax Assets Tax Credits
DeferredTaxAssetsTaxCredits
|
0 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
5360000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
3329000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
291758000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
210345000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
287349000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
205249000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
4409000 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
5096000 | |
CY2020Q4 | atra |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
3541000 | |
CY2019Q4 | atra |
Deferred Tax Liabilities Operating Lease Assets
DeferredTaxLiabilitiesOperatingLeaseAssets
|
3921000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
868000 | |
CY2019Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
1175000 | |
CY2020Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
4409000 | |
CY2019Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
5096000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
CY2019Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
0 | |
CY2020 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
82100000 | |
CY2019 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
78100000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
811700000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
988100000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
811700000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
988100000 | |
CY2020Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
75100000 | |
CY2020 | atra |
Deferred Tax Assets Tax Credit Carryforwards Research And Development Expiration Year
DeferredTaxAssetsTaxCreditCarryforwardsResearchAndDevelopmentExpirationYear
|
2035 | |
CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
30051000 | |
CY2018 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
12927000 | |
CY2018 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
704000 | |
CY2018 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
2608000 | |
CY2018Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
41074000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
22800000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
22126000 | |
CY2019 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
0 | |
CY2019Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
86000000 | |
CY2020 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
24648000 | |
CY2020 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
0 | |
CY2020 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
47000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
110601000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
110600000 | |
CY2020Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
0 |