2017 Form 10-K Financial Statement
#000156459018003390 Filed on February 27, 2018
Income Statement
| Concept | 2017 | 2016 Q4 | 2016 |
|---|---|---|---|
| Revenue | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Cost Of Revenue | |||
| YoY Change | |||
| Gross Profit | |||
| YoY Change | |||
| Gross Profit Margin | |||
| Selling, General & Admin | $40.33M | $5.280M | $24.73M |
| YoY Change | 63.08% | -4.69% | 46.94% |
| % of Gross Profit | |||
| Research & Development | $81.21M | $13.47M | $56.51M |
| YoY Change | 43.69% | -17.01% | 35.79% |
| % of Gross Profit | |||
| Depreciation & Amortization | $960.0K | $170.0K | $383.0K |
| YoY Change | 150.65% | 466.67% | 697.92% |
| % of Gross Profit | |||
| Operating Expenses | $121.5M | $18.75M | $56.51M |
| YoY Change | 115.05% | -13.87% | -3.31% |
| Operating Profit | -$121.5M | ||
| YoY Change | |||
| Interest Expense | $2.030M | $520.0K | $2.200M |
| YoY Change | -7.73% | 0.0% | 80.33% |
| % of Operating Profit | |||
| Other Income/Expense, Net | $2.027M | $2.203M | |
| YoY Change | -7.99% | 80.87% | |
| Pretax Income | -$119.5M | -$18.24M | -$48.80M |
| YoY Change | 144.91% | -14.16% | -14.74% |
| Income Tax | -$14.00K | $0.00 | $10.00K |
| % Of Pretax Income | |||
| Net Earnings | -$119.5M | -$18.24M | -$79.05M |
| YoY Change | 51.16% | -14.16% | 38.15% |
| Net Earnings / Revenue | |||
| Basic Earnings Per Share | |||
| Diluted Earnings Per Share | -$4.002M | -$630.7K | -$2.751M |
| COMMON SHARES | |||
| Basic Shares Outstanding | 28.86M | ||
| Diluted Shares Outstanding |
Balance Sheet
| Concept | 2017 | 2016 Q4 | 2016 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $166.1M | $255.7M | $255.7M |
| YoY Change | -35.04% | -20.22% | -20.22% |
| Cash & Equivalents | $79.20M | $48.16M | $48.00M |
| Short-Term Investments | $86.90M | $207.7M | $207.7M |
| Other Short-Term Assets | $6.100M | $4.900M | $4.900M |
| YoY Change | 24.49% | 19.51% | 19.51% |
| Inventory | |||
| Prepaid Expenses | |||
| Receivables | |||
| Other Receivables | |||
| Total Short-Term Assets | $172.2M | $260.6M | $260.6M |
| YoY Change | -33.92% | -19.73% | -19.72% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $44.10M | $3.259M | $3.300M |
| YoY Change | 1236.36% | 1107.04% | 1000.0% |
| Goodwill | |||
| YoY Change | |||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | |||
| YoY Change | |||
| Other Assets | $1.500M | $102.0K | $100.0K |
| YoY Change | 1400.0% | -5.56% | 0.0% |
| Total Long-Term Assets | $45.60M | $3.361M | $3.300M |
| YoY Change | 1281.82% | 789.15% | 725.0% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $172.2M | $260.6M | $260.6M |
| Total Long-Term Assets | $45.60M | $3.361M | $3.300M |
| Total Assets | $217.8M | $263.9M | $263.9M |
| YoY Change | -17.47% | -18.79% | -18.8% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $14.70M | $2.778M | $2.800M |
| YoY Change | 425.0% | 92.25% | 100.0% |
| Accrued Expenses | $9.700M | $6.200M | $6.200M |
| YoY Change | 56.45% | -19.48% | -19.48% |
| Deferred Revenue | |||
| YoY Change | |||
| Short-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Long-Term Debt Due | |||
| YoY Change | |||
| Total Short-Term Liabilities | $27.60M | $9.675M | $9.700M |
| YoY Change | 184.54% | -0.35% | 0.0% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Other Long-Term Liabilities | $12.30M | $500.0K | $500.0K |
| YoY Change | 2360.0% | 150.0% | 150.0% |
| Total Long-Term Liabilities | $12.30M | $503.0K | $500.0K |
| YoY Change | 2360.0% | 203.01% | 150.0% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $27.60M | $9.675M | $9.700M |
| Total Long-Term Liabilities | $12.30M | $503.0K | $500.0K |
| Total Liabilities | $39.90M | $10.18M | $10.20M |
| YoY Change | 291.18% | 3.07% | 3.03% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | |||
| YoY Change | |||
| Common Stock | |||
| YoY Change | |||
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $177.9M | $253.7M | $253.7M |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $217.8M | $263.9M | $263.9M |
| YoY Change | -17.47% | -18.79% | -18.8% |
Cashflow Statement
| Concept | 2017 | 2016 Q4 | 2016 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | -$119.5M | -$18.24M | -$79.05M |
| YoY Change | 51.16% | -14.16% | 38.15% |
| Depreciation, Depletion And Amortization | $960.0K | $170.0K | $383.0K |
| YoY Change | 150.65% | 466.67% | 697.92% |
| Cash From Operating Activities | -$87.50M | -$21.17M | -$60.03M |
| YoY Change | 45.78% | 85.7% | 61.53% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | $20.23M | -$990.0K | $3.020M |
| YoY Change | 569.93% | 266.67% | 941.38% |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | $120.1M | $23.78M | $86.76M |
| YoY Change | 38.47% | -224.18% | -139.47% |
| Cash From Investing Activities | $99.91M | $22.79M | $83.74M |
| YoY Change | 19.31% | -217.35% | -138.04% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | $19.16M | $0.00 | |
| YoY Change | -100.0% | ||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | 20.05M | 330.0K | 506.0K |
| YoY Change | 3862.06% | 73.68% | -99.8% |
| NET CHANGE | |||
| Cash From Operating Activities | -87.50M | -21.17M | -60.03M |
| Cash From Investing Activities | 99.91M | 22.79M | 83.74M |
| Cash From Financing Activities | 20.05M | 330.0K | 506.0K |
| Net Change In Cash | 32.46M | 1.950M | 24.22M |
| YoY Change | 33.99% | -106.37% | 1148.56% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | -$87.50M | -$21.17M | -$60.03M |
| Capital Expenditures | $20.23M | -$990.0K | $3.020M |
| Free Cash Flow | -$107.7M | -$20.18M | -$63.05M |
| YoY Change | 70.88% | 81.31% | 68.34% |
Facts In Submission
| Frame | Concept Type | Concept / XBRL Key | Value | Unit |
|---|---|---|---|---|
| CY2017Q4 | us-gaap |
Restricted Cash And Cash Equivalents Noncurrent
RestrictedCashAndCashEquivalentsNoncurrent
|
1200000 | |
| CY2016Q4 | us-gaap |
Restricted Cash And Cash Equivalents Noncurrent
RestrictedCashAndCashEquivalentsNoncurrent
|
0 | |
| CY2016Q4 | us-gaap |
Other Assets Noncurrent
OtherAssetsNoncurrent
|
102000 | |
| CY2016Q4 | us-gaap |
Assets
Assets
|
263914000 | |
| CY2016Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
2778000 | |
| CY2016Q4 | us-gaap |
Employee Related Liabilities Current
EmployeeRelatedLiabilitiesCurrent
|
3745000 | |
| CY2016Q4 | atra |
Accrued Research And Development Expenses Current
AccruedResearchAndDevelopmentExpensesCurrent
|
2408000 | |
| CY2016Q4 | us-gaap |
Other Liabilities Current
OtherLiabilitiesCurrent
|
744000 | |
| CY2016Q4 | us-gaap |
Liabilities Current
LiabilitiesCurrent
|
9675000 | |
| CY2016Q4 | us-gaap |
Liabilities Noncurrent
LiabilitiesNoncurrent
|
503000 | |
| CY2015 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
48000 | |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
981000 | |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
1005000 | |
| CY2017 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
1919000 | |
| CY2016 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
1121000 | |
| CY2017 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
1598000 | |
| CY2017 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
176459000 | |
| CY2017 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
-732000 | |
| CY2016 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
-2582000 | |
| CY2015 | us-gaap |
Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
|
4647000 | |
| CY2015 | us-gaap |
Stock Issued During Period Value Stock Options Exercised
StockIssuedDuringPeriodValueStockOptionsExercised
|
439000 | |
| CY2015 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
10251000 | |
| CY2016 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
60000 | |
| CY2015 | us-gaap |
General And Administrative Expense
GeneralAndAdministrativeExpense
|
16830000 | |
| CY2015 | us-gaap |
Operating Expenses
OperatingExpenses
|
58448000 | |
| CY2015 | us-gaap |
Weighted Average Number Of Share Outstanding Basic And Diluted
WeightedAverageNumberOfShareOutstandingBasicAndDiluted
|
25583000 | |
| CY2014Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
103182000 | |
| CY2015 | us-gaap |
Stock Issued During Period Value Share Based Compensation
StockIssuedDuringPeriodValueShareBasedCompensation
|
80000 | |
| CY2017 | us-gaap |
Increase Decrease In Accounts Payable
IncreaseDecreaseInAccountsPayable
|
2163000 | |
| CY2015 | us-gaap |
Increase Decrease In Employee Related Liabilities
IncreaseDecreaseInEmployeeRelatedLiabilities
|
1399000 | |
| CY2016 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
-2704000 | |
| CY2016 | us-gaap |
Restricted Stock Value Shares Issued Net Of Tax Withholdings
RestrictedStockValueSharesIssuedNetOfTaxWithholdings
|
94000 | |
| CY2016 | us-gaap |
Stock Issued During Period Value Employee Stock Purchase Plan
StockIssuedDuringPeriodValueEmployeeStockPurchasePlan
|
600000 | |
| CY2016 | us-gaap |
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value
AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
|
16784000 | |
| CY2017 | atra |
Stock Issued During Period Value At Market Offering Facility Net Of Commissions And Offering Costs
StockIssuedDuringPeriodValueAtMarketOfferingFacilityNetOfCommissionsAndOfferingCosts
|
19156000 | |
| CY2017 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
23100000 | |
| CY2016 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
16784000 | |
| CY2015 | us-gaap |
Share Based Compensation
ShareBasedCompensation
|
10251000 | |
| CY2015 | us-gaap |
Investment Income Net Amortization Of Discount And Premium
InvestmentIncomeNetAmortizationOfDiscountAndPremium
|
-3465000 | |
| CY2017 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
956000 | |
| CY2016 | us-gaap |
Depreciation And Amortization
DepreciationAndAmortization
|
383000 | |
| CY2017 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
0 | |
| CY2016 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
0 | |
| CY2015 | us-gaap |
Foreign Currency Transaction Gain Loss Before Tax
ForeignCurrencyTransactionGainLossBeforeTax
|
-94000 | |
| CY2017 | atra |
Write Off Of Property And Equipment
WriteOffOfPropertyAndEquipment
|
0 | |
| CY2016 | atra |
Write Off Of Property And Equipment
WriteOffOfPropertyAndEquipment
|
0 | |
| CY2015 | atra |
Write Off Of Property And Equipment
WriteOffOfPropertyAndEquipment
|
21000 | |
| CY2017 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
784000 | |
| CY2016 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
742000 | |
| CY2015 | us-gaap |
Increase Decrease In Prepaid Deferred Expense And Other Assets
IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
|
767000 | |
| CY2017 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-2000 | |
| CY2016 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
-6000 | |
| CY2015 | us-gaap |
Increase Decrease In Other Operating Assets
IncreaseDecreaseInOtherOperatingAssets
|
61000 | |
| CY2015 | atra |
Increase Decrease In Accrued Research And Development
IncreaseDecreaseInAccruedResearchAndDevelopment
|
4288000 | |
| CY2017 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
1896000 | |
| CY2016 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
215000 | |
| CY2015 | us-gaap |
Increase Decrease In Other Current Liabilities
IncreaseDecreaseInOtherCurrentLiabilities
|
293000 | |
| CY2017 | atra |
Increase Decrease In Long Term Liabilities
IncreaseDecreaseInLongTermLiabilities
|
407000 | |
| CY2016 | atra |
Increase Decrease In Long Term Liabilities
IncreaseDecreaseInLongTermLiabilities
|
398000 | |
| CY2015 | atra |
Increase Decrease In Long Term Liabilities
IncreaseDecreaseInLongTermLiabilities
|
29000 | |
| CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
-87502000 | |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
-60025000 | |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities Continuing Operations
NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
|
-37156000 | |
| CY2016 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
304928000 | |
| CY2015 | us-gaap |
Payments To Acquire Short Term Investments
PaymentsToAcquireShortTermInvestments
|
379776000 | |
| CY2017 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
107627000 | |
| CY2016 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
242643000 | |
| CY2015 | us-gaap |
Proceeds From Sale Of Short Term Investments
ProceedsFromSaleOfShortTermInvestments
|
64020000 | |
| CY2017 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Shortterm Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments
|
188973000 | |
| CY2016 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Shortterm Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments
|
149046000 | |
| CY2015 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Shortterm Investments
ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments
|
96113000 | |
| CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
20232000 | |
| CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
3020000 | |
| CY2015 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
290000 | |
| CY2017 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
1200000 | |
| CY2016 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
0 | |
| CY2015 | us-gaap |
Increase Decrease In Restricted Cash
IncreaseDecreaseInRestrictedCash
|
194000 | |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
98709000 | |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
83741000 | |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities Continuing Operations
NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
|
-220127000 | |
| CY2017 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
0 | |
| CY2017 | atra |
Change In Long Term Liabilities Related To Non Vested Stock Awards
ChangeInLongTermLiabilitiesRelatedToNonVestedStockAwards
|
0 | |
| CY2016 | atra |
Change In Long Term Liabilities Related To Non Vested Stock Awards
ChangeInLongTermLiabilitiesRelatedToNonVestedStockAwards
|
-60000 | |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
20048000 | |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
506000 | |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities Continuing Operations
NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
|
259226000 | |
| CY2017 | us-gaap |
Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations
EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations
|
0 | |
| CY2016 | us-gaap |
Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations
EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations
|
0 | |
| CY2015 | us-gaap |
Effect Of Exchange Rate On Cash And Cash Equivalents Continuing Operations
EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations
|
-94000 | |
| CY2017 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
31255000 | |
| CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
24222000 | |
| CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
1849000 | |
| CY2015Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
23746000 | |
| CY2014Q4 | us-gaap |
Cash And Cash Equivalents At Carrying Value
CashAndCashEquivalentsAtCarryingValue
|
21897000 | |
| CY2017 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
10122000 | |
| CY2016 | us-gaap |
Capital Expenditures Incurred But Not Yet Paid
CapitalExpendituresIncurredButNotYetPaid
|
352000 | |
| CY2017 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
9904000 | |
| CY2016 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | |
| CY2015 | us-gaap |
Capital Lease Obligations Incurred
CapitalLeaseObligationsIncurred
|
0 | |
| CY2017 | us-gaap |
Noncash Or Part Noncash Acquisition Fixed Assets Acquired1
NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
|
1076000 | |
| CY2016 | us-gaap |
Noncash Or Part Noncash Acquisition Fixed Assets Acquired1
NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
|
0 | |
| CY2015 | us-gaap |
Noncash Or Part Noncash Acquisition Fixed Assets Acquired1
NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1
|
0 | |
| CY2017 | us-gaap |
Settlement Of Asset Retirement Obligations Through Noncash Payments Amount
SettlementOfAssetRetirementObligationsThroughNoncashPaymentsAmount
|
580000 | |
| CY2016 | us-gaap |
Settlement Of Asset Retirement Obligations Through Noncash Payments Amount
SettlementOfAssetRetirementObligationsThroughNoncashPaymentsAmount
|
0 | |
| CY2017 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
264000 | |
| CY2016 | us-gaap |
Interest Paid Capitalized
InterestPaidCapitalized
|
0 | |
| CY2017 | atra |
Proceeds From Options Exercised Not Yet Received
ProceedsFromOptionsExercisedNotYetReceived
|
439000 | |
| CY2016 | atra |
Proceeds From Options Exercised Not Yet Received
ProceedsFromOptionsExercisedNotYetReceived
|
0 | |
| CY2017 | atra |
Non Cash Investing And Financing Activities Accrued Costs Related To Underwritten Public Offering
NonCashInvestingAndFinancingActivitiesAccruedCostsRelatedToUnderwrittenPublicOffering
|
160000 | |
| CY2016 | atra |
Non Cash Investing And Financing Activities Accrued Costs Related To Underwritten Public Offering
NonCashInvestingAndFinancingActivitiesAccruedCostsRelatedToUnderwrittenPublicOffering
|
0 | |
| CY2017 | atra |
Issuance Of Common Stock Upon Vesting Of Stock Awards
IssuanceOfCommonStockUponVestingOfStockAwards
|
0 | |
| CY2016 | atra |
Issuance Of Common Stock Upon Vesting Of Stock Awards
IssuanceOfCommonStockUponVestingOfStockAwards
|
60000 | |
| CY2016 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
10000 | |
| CY2015 | us-gaap |
Income Taxes Paid
IncomeTaxesPaid
|
3000 | |
| CY2017 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<div> <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;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:4.54%;">The preparation of financial statements in conformity with GAAP requires management to make estimates and 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 clinical trial and other accruals, stock-based compensation expense, fair value of investments and income taxes. Actual results could differ materially from those estimates. </p></div> | |
| CY2017 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<div> <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;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;text-indent:4.54%;">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 have short-term investments in money market funds, U.S. Treasury, government agency and corporate debt obligations, commercial paper 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;">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; 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></div> | |
| CY2017Q4 | us-gaap |
Available For Sale Securities
AvailableForSaleSecurities
|
164642000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities
AvailableForSaleSecurities
|
245657000 | |
| CY2017 | dei |
Entity Incorporation State Country Name
EntityIncorporationStateCountryName
|
Delaware | |
| CY2017 | dei |
Entity Incorporation Date Of Incorporation
EntityIncorporationDateOfIncorporation
|
2012-08-01 | |
| CY2017 | us-gaap |
Number Of Reportable Segments
NumberOfReportableSegments
|
1 | |
| CY2017 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
| CY2017Q4 | us-gaap |
Cash
Cash
|
0 | |
| CY2017 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
6929553 | |
| CY2016 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
5027146 | |
| CY2015 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
3798547 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
|
164793000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Amortized Cost
AvailableForSaleSecuritiesAmortizedCost
|
245841000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
2000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
20000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
153000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
204000 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Interest Included In Payments
CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments
|
128000 | |
| CY2017Q4 | us-gaap |
Capital Lease Obligations
CapitalLeaseObligations
|
1076000 | |
| CY2017Q4 | us-gaap |
Capital Lease Obligations Current
CapitalLeaseObligationsCurrent
|
463000 | |
| CY2017Q4 | us-gaap |
Capital Lease Obligations Noncurrent
CapitalLeaseObligationsNoncurrent
|
613000 | |
| CY2017 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
1400000 | |
| CY2016 | us-gaap |
Operating Leases Rent Expense Net
OperatingLeasesRentExpenseNet
|
1200000 | |
| CY2017 | atra |
Ground Lease Expense
GroundLeaseExpense
|
300000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
151938000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
198022000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
12855000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
47819000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
164793000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis
AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
|
245841000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
151852000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
197956000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
12790000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
47701000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
164642000 | |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
245657000 | |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
45474000 | |
| CY2016Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
3648000 | |
| CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
1345000 | |
| CY2016Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
389000 | |
| CY2017 | atra |
Cash Paid To Exercise Option Agreement
CashPaidToExerciseOptionAgreement
|
4500000 | |
| CY2017Q4 | atra |
Potential Milestone Payments Payable
PotentialMilestonePaymentsPayable
|
33000000 | |
| CY2017Q4 | atra |
Due To Licensors Current And Noncurrent
DueToLicensorsCurrentAndNoncurrent
|
0 | |
| CY2016Q4 | atra |
Due To Licensors Current And Noncurrent
DueToLicensorsCurrentAndNoncurrent
|
0 | |
| CY2017Q4 | atra |
Accrued Termination Charges
AccruedTerminationCharges
|
0 | |
| CY2016Q4 | atra |
Accrued Termination Charges
AccruedTerminationCharges
|
0 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
1979000 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
823000 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
613000 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
259000 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
0 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
0 | |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
|
3674000 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due Current
CapitalLeasesFutureMinimumPaymentsDueCurrent
|
546000 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Two Years
CapitalLeasesFutureMinimumPaymentsDueInTwoYears
|
498000 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Three Years
CapitalLeasesFutureMinimumPaymentsDueInThreeYears
|
160000 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Four Years
CapitalLeasesFutureMinimumPaymentsDueInFourYears
|
0 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due In Five Years
CapitalLeasesFutureMinimumPaymentsDueInFiveYears
|
0 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due Thereafter
CapitalLeasesFutureMinimumPaymentsDueThereafter
|
0 | |
| CY2017Q4 | us-gaap |
Capital Leases Future Minimum Payments Due
CapitalLeasesFutureMinimumPaymentsDue
|
1204000 | |
| CY2016 | atra |
Ground Lease Expense
GroundLeaseExpense
|
0 | |
| CY2015 | atra |
Ground Lease Expense
GroundLeaseExpense
|
0 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due In Next Twelve Months
ContractualObligationDueInNextTwelveMonths
|
372000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due In Second Year
ContractualObligationDueInSecondYear
|
911000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due In Third Year
ContractualObligationDueInThirdYear
|
938000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due In Fourth Year
ContractualObligationDueInFourthYear
|
966000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due In Fifth Year
ContractualObligationDueInFifthYear
|
996000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation Due After Fifth Year
ContractualObligationDueAfterFifthYear
|
12204000 | |
| CY2017Q4 | us-gaap |
Contractual Obligation
ContractualObligation
|
16387000 | |
| CY2016Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
0 | |
| CY2017Q4 | atra |
Liabilities Related To Indemnification Agreements
LiabilitiesRelatedToIndemnificationAgreements
|
0 | |
| CY2017 | us-gaap |
Asset Retirement Obligation Liabilities Incurred
AssetRetirementObligationLiabilitiesIncurred
|
580000 | |
| CY2017Q4 | us-gaap |
Asset Retirement Obligation
AssetRetirementObligation
|
580000 | |
| CY2016Q4 | atra |
Liabilities Related To Indemnification Agreements
LiabilitiesRelatedToIndemnificationAgreements
|
0 | |
| CY2017Q4 | us-gaap |
Capital Units Authorized
CapitalUnitsAuthorized
|
520000000 | |
| CY2017Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.0001 | |
| CY2016Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Description And Terms
ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDescriptionAndTerms
|
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 to employees and non-employees generally vest over four years and expire in seven years. | |
| CY2017Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
20000000 | |
| CY2017Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | |
| CY2017 | atra |
Shareholder Ownership Percent
ShareholderOwnershipPercent
|
0.10 | |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
3733847 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
1694000 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
|
413074 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
4954648 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
|
4954648 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
2030454 | |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
24.14 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
15.79 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
12.37 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
|
23.77 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
21.46 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
|
21.46 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
24.06 | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
|
P5Y2M15D | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1
|
P5Y2M15D | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P4Y4M20D | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
|
7433000 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue
|
7433000 | |
| CY2017Q4 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
|
2465000 | |
| CY2016 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
18947 | |
| CY2015 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
23822 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
200000 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
200000 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
600000 | |
| CY2017 | us-gaap |
Deferred Tax Expense From Stock Options Exercised
DeferredTaxExpenseFromStockOptionsExercised
|
0 | |
| CY2017Q4 | us-gaap |
Common Stock Capital Shares Reserved For Future Issuance
CommonStockCapitalSharesReservedForFutureIssuance
|
11278843 | |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
23100000 | |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
16784000 | |
| CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
10251000 | |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-12894000 | |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-48795000 | |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Domestic
IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
|
-57230000 | |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-106611000 | |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
-30244000 | |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Foreign
IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
|
0 | |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
| CY2015 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
-1000 | |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
10000 | |
| CY2015 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-8000 | |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
10000 | |
| CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-9000 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.340 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.340 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.013 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.006 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential
EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
|
-0.303 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential
EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
|
-0.130 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential
EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential
|
0.00 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
-0.113 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.00 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.00 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.038 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.009 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
0.00 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
0.129 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.188 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.334 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
31110000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
36911000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
2940000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
5800000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
10489000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
9600000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements
|
1490000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Legal Settlements
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements
|
1933000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
1268000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
1643000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
47297000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
55887000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
47297000 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
55887000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
0 | |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
0 | |
| CY2017 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
-8600000 | |
| CY2016 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
18900000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards Domestic
DeferredTaxAssetsOperatingLossCarryforwardsDomestic
|
76000000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards State And Local
DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal
|
231400000 | |
| CY2017 | us-gaap |
Operating Loss Carryforwards Limitations On Use
OperatingLossCarryforwardsLimitationsOnUse
|
Begin to expire in 2032 in various amounts if not utilized. | |
| CY2017 | atra |
Tax Cuts And Jobs Act Of201 Reduction In Expected Deductibility Of Certain Executive Compensation Due To Application Of New Limitations
TaxCutsAndJobsActOf201ReductionInExpectedDeductibilityOfCertainExecutiveCompensationDueToApplicationOfNewLimitations
|
600000 | |
| CY2017 | atra |
Tax Cuts And Jobs Act Of2017 Reduction In Net Federal And State Deferred Tax Assets Due To Reduction In Corporate Tax Rate
TaxCutsAndJobsActOf2017ReductionInNetFederalAndStateDeferredTaxAssetsDueToReductionInCorporateTaxRate
|
13500000 | |
| CY2014Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
1643000 | |
| CY2015 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
2671000 | |
| CY2015Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
4314000 | |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
4971000 | |
| CY2016Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
9285000 | |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
|
16371000 | |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
|
9534000 | |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions
UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
|
4643000 | |
| CY2017 | us-gaap |
Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
|
496000 | |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits
UnrecognizedTaxBenefits
|
30051000 | |
| CY2017Q4 | us-gaap |
Unrecognized Tax Benefits That Would Impact Effective Tax Rate
UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
|
100000 | |
| CY2016Q3 | atra |
Cash Tax Impact
CashTaxImpact
|
0 | |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Period Increase Decrease
UnrecognizedTaxBenefitsPeriodIncreaseDecrease
|
800000 | |
| CY2016 | us-gaap |
Unrecognized Tax Benefits Period Increase Decrease
UnrecognizedTaxBenefitsPeriodIncreaseDecrease
|
400000 |
