$PRTA
PROTHENA CORP PUBLIC LTD CO Stock $prta

$prta Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-Q Financial Statement

#000155905318000034 Filed on November 06, 2018

Income Statement

Concept	2018 Q4	2018 Q3	2017 Q3
Revenue	$194.0K	$255.0K	$219.0K
YoY Change	-15.28%	16.44%	-23.43%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$8.030M	$9.240M	$12.44M
YoY Change	-42.81%	-25.72%	-22.92%
% of Gross Profit
Research & Development	$16.51M	$18.52M	$41.32M
YoY Change	-50.72%	-55.19%	53.94%
% of Gross Profit
Depreciation & Amortization	$830.0K	$800.0K	$800.0K
YoY Change	6.41%	0.0%	0.0%
% of Gross Profit
Operating Expenses	$22.95M	$24.58M	$53.75M
YoY Change	-51.73%	-54.28%	25.08%
Operating Profit		-$24.32M	-$53.53M
YoY Change		-54.57%	25.41%
Interest Expense	$870.0K	$790.0K	$120.0K
YoY Change	866.67%	558.33%	-14.29%
% of Operating Profit
Other Income/Expense, Net	-$30.00K	$726.0K	-$565.0K
YoY Change	-87.5%	-228.5%	334.62%
Pretax Income	-$21.91M	-$23.60M	-$54.10M
YoY Change	-53.84%	-56.38%	26.35%
Income Tax	$550.0K	$962.0K	-$1.705M
% Of Pretax Income
Net Earnings	-$22.46M	-$24.56M	-$52.39M
YoY Change	-52.97%	-53.13%	21.17%
Net Earnings / Revenue	-11577.84%	-9630.98%	-23924.2%
Basic Earnings Per Share	-$0.56	-$0.62	-$1.37
Diluted Earnings Per Share	-$0.56	-$0.62	-$1.37
COMMON SHARES
Basic Shares Outstanding	39.86M shares	39.84M shares	38.28M shares
Diluted Shares Outstanding

Balance Sheet

Concept	2018 Q4	2018 Q3	2017 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$427.7M	$451.5M	$456.1M
YoY Change	2.42%	-1.01%	11.63%
Cash & Equivalents	$427.7M	$451.5M	$456.1M
Short-Term Investments
Other Short-Term Assets	$3.729M	$5.400M	$12.80M
YoY Change	-56.13%	-57.81%	91.04%
Inventory
Prepaid Expenses
Receivables	$2.000K	$0.00	$220.0K
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$431.4M	$456.9M	$469.1M
YoY Change	1.19%	-2.59%	12.85%
LONG-TERM ASSETS
Property, Plant & Equipment	$52.84M	$52.95M	$55.38M
YoY Change	-3.92%	-4.39%	7.05%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$813.0K	$502.0K	$2.784M
YoY Change	-71.4%	-81.97%	28.77%
Total Long-Term Assets	$67.41M	$67.72M	$68.62M
YoY Change	-3.71%	-1.31%	7.31%
TOTAL ASSETS
Total Short-Term Assets	$431.4M	$456.9M	$469.1M
Total Long-Term Assets	$67.41M	$67.72M	$68.62M
Total Assets	$498.8M	$524.6M	$537.7M
YoY Change	0.5%	-2.43%	12.11%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.470M	$4.485M	$11.06M
YoY Change	-89.22%	-59.46%	4.95%
Accrued Expenses	$9.900M	$10.00M	$26.00M
YoY Change	-52.63%	-61.54%	15.04%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$1.600M	$1.600M	$400.0K
YoY Change	128.57%	300.0%
Total Short-Term Liabilities	$14.93M	$23.63M	$39.26M
YoY Change	-60.06%	-39.82%	6.37%
LONG-TERM LIABILITIES
Long-Term Debt	$49.90M	$50.30M	$0.00
YoY Change	-3.11%
Other Long-Term Liabilities	$553.0K	$553.0K	$52.20M
YoY Change		-98.94%
Total Long-Term Liabilities	$160.9M	$161.3M	$52.17M
YoY Change	210.75%	209.29%	25.48%
TOTAL LIABILITIES
Total Short-Term Liabilities	$14.93M	$23.63M	$39.26M
Total Long-Term Liabilities	$160.9M	$161.3M	$52.17M
Total Liabilities	$175.8M	$185.0M	$91.43M
YoY Change	97.22%	102.32%	16.49%
SHAREHOLDERS EQUITY
Retained Earnings	-$598.0M	-$575.5M	-$394.6M
YoY Change	35.19%	45.86%	64.2%
Common Stock	$399.0K	$398.0K	$384.0K
YoY Change	3.64%	3.65%	11.63%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$323.0M	$339.7M	$446.3M
YoY Change
Total Liabilities & Shareholders Equity	$498.8M	$524.6M	$537.7M
YoY Change	0.5%	-2.43%	12.11%

Cashflow Statement

Concept	2018 Q4	2018 Q3	2017 Q3
OPERATING ACTIVITIES
Net Income	-$22.46M	-$24.56M	-$52.39M
YoY Change	-52.97%	-53.13%	21.17%
Depreciation, Depletion And Amortization	$830.0K	$800.0K	$800.0K
YoY Change	6.41%	0.0%	0.0%
Cash From Operating Activities	-$21.26M	-$33.57M	-$17.74M
YoY Change	-46.2%	89.23%	-40.39%
INVESTING ACTIVITIES
Capital Expenditures	-$1.340M	-$150.0K	-$540.0K
YoY Change	252.63%	-72.22%	-93.69%
Acquisitions
YoY Change
Other Investing Activities	$40.00K	$0.00	$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$1.300M	-$150.0K	-$540.0K
YoY Change	251.35%	-72.22%	-88.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.310M	-970.0K	2.610M
YoY Change	-189.73%	-137.16%	-33.92%
NET CHANGE
Cash From Operating Activities	-21.26M	-33.57M	-17.74M
Cash From Investing Activities	-1.300M	-150.0K	-540.0K
Cash From Financing Activities	-1.310M	-970.0K	2.610M
Net Change In Cash	-23.87M	-34.69M	-15.67M
YoY Change	-37.89%	121.38%	-48.3%
FREE CASH FLOW
Cash From Operating Activities	-$21.26M	-$33.57M	-$17.74M
Capital Expenditures	-$1.340M	-$150.0K	-$540.0K
Free Cash Flow	-$19.92M	-$33.42M	-$17.20M
YoY Change	-49.11%	94.3%	-18.87%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
	dei	Document Period End Date DocumentPeriodEndDate	2018-09-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0001559053
	prta	Sharebased Compensation Restructuring SharebasedCompensationRestructuring	0	USD
	prta	Sharebased Compensation Restructuring SharebasedCompensationRestructuring	2512000	USD
CY2018Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	39863711	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	Prothena Corp plc
	dei	Trading Symbol TradingSymbol	PRTA
CY2017Q4	prta	Accrued Research And Development Current AccruedResearchAndDevelopmentCurrent	13509000	USD
CY2018Q3	prta	Accrued Research And Development Current AccruedResearchAndDevelopmentCurrent	5950000	USD
	prta	Buildto Suit Leases Increase Decreaseto Obligation BuildtoSuitLeasesIncreaseDecreasetoObligation	1805000	USD
	prta	Buildto Suit Leases Increase Decreaseto Obligation BuildtoSuitLeasesIncreaseDecreasetoObligation	3096000	USD
CY2017Q4	prta	Buildto Suit Property Gross BuildtoSuitPropertyGross	51760000	USD
CY2018Q3	prta	Buildto Suit Property Gross BuildtoSuitPropertyGross	51760000	USD
CY2017Q4	prta	Buildtosuit Lease Obligation Current BuildtosuitLeaseObligationCurrent	733000	USD
CY2018Q3	prta	Buildtosuit Lease Obligation Current BuildtosuitLeaseObligationCurrent	1575000	USD
CY2018Q3	prta	Buildtosuit Lease Obligation Currentand Noncurrent BuildtosuitLeaseObligationCurrentandNoncurrent	51913000	USD
CY2017Q4	prta	Buildtosuitleaseobligationnoncurrent Buildtosuitleaseobligationnoncurrent	51515000	USD
CY2018Q3	prta	Buildtosuitleaseobligationnoncurrent Buildtosuitleaseobligationnoncurrent	50338000	USD
CY2018Q3	prta	Builtto Suit Leases At Cost BuilttoSuitLeasesAtCost	52000000	USD
CY2017Q3	prta	Collaboration Revenue CollaborationRevenue	219000	USD
	prta	Collaboration Revenue CollaborationRevenue	27290000	USD
CY2018Q3	prta	Collaboration Revenue CollaborationRevenue	255000	USD
	prta	Collaboration Revenue CollaborationRevenue	761000	USD
CY2017Q4	prta	Deferred Shares Par Value DeferredSharesParValue	22
CY2018Q3	prta	Deferred Shares Par Value DeferredSharesParValue	22
CY2017Q4	prta	Deferred Shares Share Issued DeferredSharesShareIssued	0	shares
CY2018Q3	prta	Deferred Shares Share Issued DeferredSharesShareIssued	0	shares
CY2017Q4	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0	shares
CY2018Q3	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0	shares
CY2018Q3	prta	Deferred Shares Share Outstanding DeferredSharesShareOutstanding	0.0	shares
CY2017Q4	prta	Deferred Shares Shares Authorized DeferredSharesSharesAuthorized	10000	shares
CY2018Q3	prta	Deferred Shares Shares Authorized DeferredSharesSharesAuthorized	10000	shares
CY2017Q4	prta	Deferred Shares Value DeferredSharesValue	0	USD
CY2018Q3	prta	Deferred Shares Value DeferredSharesValue	0	USD
	prta	Interest Expenseunderbuildtosuittransaction InterestExpenseunderbuildtosuittransaction	2759000	USD
	prta	Interest Expenseunderbuildtosuittransaction InterestExpenseunderbuildtosuittransaction	2761000	USD
CY2018Q2	prta	Non Cash Restructuring Charges NonCashRestructuringCharges	2512000	USD
	prta	Numberof Votes NumberofVotes	1	vote
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Due Thereafter OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsDueThereafter	3014000	USD
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Duein Five Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsDueinFiveYears	3047000	USD
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Duein Four Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsDueinFourYears	2944000	USD
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Duein Three Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsDueinThreeYears	2843000	USD
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Duein Two Years OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsDueinTwoYears	2746000	USD
CY2018Q3	prta	Operating Leases Future Minimum Payments Due Future Minimum Subsublease Rentals Remainderof Fiscal Year OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubsubleaseRentalsRemainderofFiscalYear	647000	USD
CY2018Q3	prta	Operating Leases Sublease Rentals Areaof Sublease Rental OperatingLeasesSubleaseRentalsAreaofSubleaseRental	46641	sqft
CY2018Q3	prta	Operating Leases Sublease Rentals Percent Annual Rent Increase OperatingLeasesSubleaseRentalsPercentAnnualRentIncrease	0.035
CY2018Q3	prta	Operating Leases Sublease Rentals Percentof Rental Gain Attributableto Sublandlord OperatingLeasesSubleaseRentalsPercentofRentalGainAttributabletoSublandlord	0.5
CY2018Q3	prta	Operating Leases Sublease Rentals Termof Contract OperatingLeasesSubleaseRentalsTermofContract	P5Y2M12D
CY2018Q3	prta	Purchaseand Contractual Obligation Due After Fifth Year PurchaseandContractualObligationDueAfterFifthYear	605000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Due Remainderof Fiscal Year PurchaseandContractualObligationDueRemainderofFiscalYear	5223000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Duein Fifth Year PurchaseandContractualObligationDueinFifthYear	70000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Duein Fourth Year PurchaseandContractualObligationDueinFourthYear	85000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Duein Second Year PurchaseandContractualObligationDueinSecondYear	1303000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Duein Third Year PurchaseandContractualObligationDueinThirdYear	85000	USD
CY2018Q3	prta	Restructuring Reserve Duein Fifth Year RestructuringReserveDueinFifthYear	0	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1895000	USD
CY2018Q3	prta	Purchaseand Contractual Obligation Total PurchaseandContractualObligationTotal	7371000	USD
	prta	Receivable Stock Option Exercises ReceivableStockOptionExercises	1128000	USD
	prta	Receivable Stock Option Exercises ReceivableStockOptionExercises	0	USD
CY2018Q3	prta	Restructuring Reserve Due After Fifth Year RestructuringReserveDueAfterFifthYear	0	USD
	prta	Sharebased Compensation Net Tax Shortfall Excess Tax Benefit Amount Bookedto Income Tax Provision SharebasedCompensationNetTaxShortfallExcessTaxBenefitAmountBookedtoIncomeTaxProvision	1300000	USD
CY2018Q3	prta	Restructuring Reserve Duein Fourth Year RestructuringReserveDueinFourthYear	0	USD
CY2018Q3	prta	Restructuring Reserve Duein Second Year RestructuringReserveDueinSecondYear	1118000	USD
CY2018Q3	prta	Restructuring Reserve Duein Third Year RestructuringReserveDueinThirdYear	0	USD
CY2018Q3	prta	Restructuring Reserve Future Minimum Payments Due Remainderof Fiscal Year RestructuringReserveFutureMinimumPaymentsDueRemainderofFiscalYear	3351000	USD
CY2018Q3	prta	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value Related To Vested Options ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValueRelatedToVestedOptions	3759000	USD
CY2018Q3	prta	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingNumber	2494497	shares
	prta	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedOutstandingWeightedAverageRemainingContractualTerm	P5Y5M19D
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CY2017Q3	prta	Sharebased Compensation Net Tax Shortfall Excess Tax Benefit Amount Bookedto Income Tax Provision SharebasedCompensationNetTaxShortfallExcessTaxBenefitAmountBookedtoIncomeTaxProvision	-2000000	USD
	prta	Sharebased Compensation Net Tax Shortfall Excess Tax Benefit Amount Bookedto Income Tax Provision SharebasedCompensationNetTaxShortfallExcessTaxBenefitAmountBookedtoIncomeTaxProvision	-5400000	USD
CY2018Q3	prta	Sharebased Compensation Net Tax Shortfall Excess Tax Benefit Amount Bookedto Income Tax Provision SharebasedCompensationNetTaxShortfallExcessTaxBenefitAmountBookedtoIncomeTaxProvision	958000	USD
	prta	Sharebased Compensationnonrestructuring SharebasedCompensationnonrestructuring	19357000	USD
	prta	Sharebased Compensationnonrestructuring SharebasedCompensationnonrestructuring	20253000	USD
CY2018Q3	prta	Subleaserentals Annual Base Rent Initial Amount SubleaserentalsAnnualBaseRentInitialAmount	2700000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	13633000	USD
CY2018Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	4485000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	240000	USD
CY2018Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	0	USD
CY2017Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	311000	USD
CY2018Q3	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	285000	USD
CY2017Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	438000	USD
CY2018Q3	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	833000	USD
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CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	849154000	USD
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CY2018Q3	us-gaap	Capitalized Computer Software Gross CapitalizedComputerSoftwareGross	1350000	USD
CY2017Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	456061000	USD
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CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	421676000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	455568000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	69138000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	33892000	USD
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CY2018Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
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CY2017Q4	us-gaap	Common Stock Value CommonStockValue	385000	USD
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	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-479000	USD
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	1250000	USD
CY2017Q4	us-gaap	Deferred Rent Credit DeferredRentCredit	49000	USD
CY2018Q3	us-gaap	Deferred Rent Credit DeferredRentCredit	49000	USD
CY2017Q4	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	254000	USD
CY2018Q3	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	216000	USD
CY2017Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	0	USD
CY2018Q3	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	110242000	USD
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CY2018Q3	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	10209000	USD
CY2017Q3	us-gaap	Depreciation Depreciation	800000	USD
	us-gaap	Depreciation Depreciation	2300000	USD
CY2018Q3	us-gaap	Depreciation Depreciation	800000	USD
	us-gaap	Depreciation Depreciation	2400000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2285000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2390000	USD
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	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-2.82
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	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-3.38
CY2017Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	7342000	USD
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	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P3Y3M7D
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	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	2096000	USD
	us-gaap	Gain Loss On Contract Termination GainLossOnContractTermination	0	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	5000	USD
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-101000	USD
CY2017Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	12438000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34182000	USD
CY2018Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	9235000	USD
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	34456000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-54099000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-110132000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-23597000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-134205000	USD
CY2017Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1705000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-4653000	USD
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	962000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1021000	USD
CY2017	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	-400000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	294000	USD
	us-gaap	Income Taxes Paid IncomeTaxesPaid	1101000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3224000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-23345000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	42000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-240000	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	0	USD
	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	110242000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	11183000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-5412000	USD
	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	0	USD
	us-gaap	Increase Decrease In Restructuring Reserve IncreaseDecreaseInRestructuringReserve	4344000	USD
CY2017Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	118000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-228000	USD
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	791000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1822000	USD
CY2017Q4	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	579000	USD
CY2018Q3	us-gaap	Leasehold Improvements Gross LeaseholdImprovementsGross	822000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	89140000	USD
CY2018Q3	us-gaap	Liabilities Liabilities	184976000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	496329000	USD
CY2018Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	524626000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	37371000	USD
CY2018Q3	us-gaap	Liabilities Current LiabilitiesCurrent	23627000	USD
CY2017Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	51769000	USD
CY2018Q3	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	161349000	USD
CY2017Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	9078000	USD
CY2018Q3	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	9137000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	163942000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	41348000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3145000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-432000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-91659000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-7024000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	-52394000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-105479000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-24559000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-133184000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	163000	USD
	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	195000	USD
CY2017Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-565000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2195000	USD
CY2018Q3	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	726000	USD
CY2017Q3	us-gaap	Operating Expenses OperatingExpenses	53753000	USD
	us-gaap	Operating Expenses OperatingExpenses	135227000	USD
CY2018Q3	us-gaap	Operating Expenses OperatingExpenses	24578000	USD
	us-gaap	Operating Expenses OperatingExpenses	136861000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-53534000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-107937000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-24323000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	-136100000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1686000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due Future Minimum Sublease Rentals OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals	15241000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	240000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	240000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	240000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	264000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	640000	USD
CY2018Q3	us-gaap	Operating Leases Future Minimum Payments Remainder Of Fiscal Year OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear	62000	USD
CY2017Q3	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	200000	USD
	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	700000	USD
CY2018Q3	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	200000	USD
	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	600000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	2843000	USD
CY2018Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	502000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9185000	USD
CY2018Q3	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5424000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	0	USD
CY2018Q3	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	553000	USD
CY2017Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-683000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-1967000	USD
CY2018Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-65000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	73000	USD
CY2017Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	1356000	USD
CY2018Q3	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	526000	USD
CY2018Q2	us-gaap	Payments For Restructuring PaymentsForRestructuring	2215000	USD
CY2018Q3	us-gaap	Payments For Restructuring PaymentsForRestructuring	8389000	USD
	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	3250000	USD
	us-gaap	Payments To Acquire Machinery And Equipment PaymentsToAcquireMachineryAndEquipment	432000	USD
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8467000	USD
CY2018Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5396000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	150323000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	0	USD
	us-gaap	Proceeds From Issuance Of Private Placement ProceedsFromIssuanceOfPrivatePlacement	39758000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	105000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	15424000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4686000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	62733000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	63069000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	54990000	USD
CY2017Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	41315000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	101045000	USD
CY2018Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	52951000	USD
CY2018Q3	us-gaap	Purchase Obligation PurchaseObligation	1577000	USD
CY2018Q3	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	0	USD
CY2018Q3	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	0	USD
CY2018Q3	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	0	USD
CY2018Q3	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	0	USD
CY2018Q3	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	0	USD
CY2018Q3	us-gaap	Purchase Obligation Future Minimum Payments Remainder Of Fiscal Year PurchaseObligationFutureMinimumPaymentsRemainderOfFiscalYear	1577000	USD
CY2018Q3	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	18515000	USD
	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	84673000	USD
CY2017Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4056000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4056000	USD
CY2018Q3	us-gaap	Restricted Cash And Cash Equivalents Noncurrent RestrictedCashAndCashEquivalentsNoncurrent	4056000	USD
CY2018Q3	us-gaap	Restructuring And Related Cost Cost Incurred To Date1 RestructuringAndRelatedCostCostIncurredToDate1	17700000	USD
CY2018Q3	us-gaap	Restructuring And Related Cost Expected Cost1 RestructuringAndRelatedCostExpectedCost1	17900000	USD
CY2018Q2	us-gaap	Restructuring Charges RestructuringCharges	18382000	USD
CY2018Q3	us-gaap	Restructuring Charges RestructuringCharges	1212000	USD
CY2017Q3	us-gaap	Restructuring Costs RestructuringCosts	0	USD
	us-gaap	Restructuring Costs RestructuringCosts	0	USD
CY2018Q3	us-gaap	Restructuring Costs RestructuringCosts	-3172000	USD
	us-gaap	Restructuring Costs RestructuringCosts	17732000	USD
CY2018Q3	us-gaap	Restructuring Reserve RestructuringReserve	4469000	USD
CY2018Q3	us-gaap	Restructuring Reserve Accrual Adjustment1 RestructuringReserveAccrualAdjustment1	-4384000	USD
CY2017Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	0	USD
CY2018Q1	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	0	USD
CY2018Q2	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	18396000	USD
CY2018Q3	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	5908000	USD
CY2018Q3	us-gaap	Restructuring Reserve Settled Without Cash2 RestructuringReserveSettledWithoutCash2	948000	USD
CY2018Q2	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	283000	USD
CY2018Q3	us-gaap	Restructuring Reserve Translation Adjustment RestructuringReserveTranslationAdjustment	-21000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-442350000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-575534000	USD
CY2017Q3	us-gaap	Revenues Revenues	219000	USD
	us-gaap	Revenues Revenues	27290000	USD
CY2018Q3	us-gaap	Revenues Revenues	255000	USD
	us-gaap	Revenues Revenues	761000	USD
CY2017Q3	us-gaap	Share Based Compensation ShareBasedCompensation	7102000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	19357000	USD
CY2018Q3	us-gaap	Share Based Compensation ShareBasedCompensation	7042000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	22765000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period1 ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1	P4Y
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.028
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	994041	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.000
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.712
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.726
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.000
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.794
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.020
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.020
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.000
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	162500	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	1447300	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	4046300	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	4046300	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	38.06
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	35.63
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.00
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.82
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	30455000	USD
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3764000	USD
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4406752	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7252600	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	38.93
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	27.87
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	3763000	USD
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	6742150	shares
CY2018Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	28.23
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	22.70
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	47.51
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	20.39
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2017Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2018Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P0Y
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P7Y4M10D
CY2017	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P7Y7M6D
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P7Y5M16D
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	206411	shares
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	407189000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	339650000	USD
CY2017Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	38292000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	37384000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	39850000	shares
	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	39457000	shares
	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Segment and Concentration of Risks</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company operates in one segment. The Company’s chief operating decision maker (the “CODM”), its Chief Executive Officer, manages the Company’s operations on a consolidated basis for purposes of allocating resources. When evaluating the Company’s financial performance, the CODM reviews all financial information on a consolidated basis.</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Financial instruments that potentially subject the Company to concentration of credit risk consist of cash and cash equivalents and accounts receivable. The Company places its cash equivalents with high credit quality financial institutions and by policy, limits the amount of credit exposure with any one financial institution. Deposits held with banks may exceed the amount of insurance provided on such deposits. The Company has not experienced any losses on its deposits of cash and cash equivalents and its credit risk exposure is up to the extent recorded on the Company's Consolidated Balance Sheet.</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The receivable from Roche are amounts due from Roche entities located in the U.S. and Switzerland under the License Agreement that became effective January 22, 2014. Revenue recorded in the Statements of Operations consists of reimbursement from Roche for research and development services. The Company's credit risk exposure is up to the extent recorded on the Company's Condensed Consolidated Balance Sheet.</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:32px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> As of </font><font style="font-family:inherit;font-size:10pt;">September 30, 2018</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">$52.4 million</font><font style="font-family:inherit;font-size:10pt;"> of the Company's long-lived assets were held in the U.S. and </font><font style="font-family:inherit;font-size:10pt;">$0.5 million</font><font style="font-family:inherit;font-size:10pt;"> were in Ireland. As of </font><font style="font-family:inherit;font-size:10pt;">December 31, 2017</font><font style="font-family:inherit;font-size:10pt;">, </font><font style="font-family:inherit;font-size:10pt;">$54.4 million</font><font style="font-family:inherit;font-size:10pt;"> of the Company's long-lived assets were held in the U.S. and </font><font style="font-family:inherit;font-size:10pt;">$0.6 million</font><font style="font-family:inherit;font-size:10pt;"> were in Ireland.</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company does not own or operate facilities for the manufacture, packaging, labeling, storage, testing or distribution of nonclinical or clinical supplies of any of its drug candidates, including for commercial supplies if the Company obtains regulatory approval to market any of its drug candidates. The Company instead contracts with and relies on third-parties to manufacture, package, label, store, test and distribute all pre-clinical development and clinical supplies of our drug candidates, and it plans to continue to do so for the foreseeable future, including for commercial supplies if the Company obtains regulatory approval to market any of its drug candidates. The Company also relies on third-party consultants to assist in managing these third-parties and assist with its manufacturing strategy.</font></div></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:12px;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-top:12px;text-align:justify;text-indent:30px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of the Condensed Consolidated Financial Statements in conformity with GAAP requires management to make judgments, estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosures. On an ongoing basis, management evaluates its estimates, including critical accounting policies or estimates related to revenue recognition, share-based compensation and research and development expenses. The Company bases its estimates on historical experience and on various other market specific and other relevant assumptions that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Because of the uncertainties inherent in such estimates, actual results may differ materially from these estimates.</font></div></div>

Files In Submission

Name	View Source	Status
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0001559053-18-000034-index.html	Edgar Link	pending
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masterexhibitbbritaniaoa01.jpg	Edgar Link	pending
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prta-20180930.xml	Edgar Link	completed
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subleasefinalexecuted_image1.jpg	Edgar Link	pending

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2018 Q4 Form 10-Q Financial Statement

#000155905318000034 Filed on November 06, 2018

Income Statement

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$PRTA PROTHENA CORP PUBLIC LTD CO Stock $prta

2018 Q4 Form 10-Q Financial Statement

#000155905318000034 Filed on November 06, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PRTA
PROTHENA CORP PUBLIC LTD CO Stock $prta