2018 Q4 Form 10-K Financial Statement
#000156459019007389 Filed on March 12, 2019
Income Statement
| Concept | 2018 Q4 | 2018 Q3 | 2018 Q2 |
|---|---|---|---|
| Revenue | $5.533M | $5.062M | $2.874M |
| YoY Change | |||
| Cost Of Revenue | |||
| YoY Change | |||
| Gross Profit | |||
| YoY Change | |||
| Gross Profit Margin | |||
| Selling, General & Admin | $4.700M | $3.200M | $3.700M |
| YoY Change | 56.67% | -15.79% | 37.04% |
| % of Gross Profit | |||
| Research & Development | $22.80M | $22.20M | $17.00M |
| YoY Change | 98.26% | 142.6% | 144.25% |
| % of Gross Profit | |||
| Depreciation & Amortization | $50.00K | $80.00K | $110.0K |
| YoY Change | -61.54% | -33.33% | -15.38% |
| % of Gross Profit | |||
| Operating Expenses | $27.50M | $25.53M | $20.69M |
| YoY Change | 88.36% | 97.05% | 114.75% |
| Operating Profit | -$20.47M | -$17.81M | |
| YoY Change | 57.98% | 84.92% | |
| Interest Expense | $1.200M | $1.000M | $500.0K |
| YoY Change | 200.0% | 150.0% | 66.67% |
| % of Operating Profit | |||
| Other Income/Expense, Net | $1.002M | $467.0K | |
| YoY Change | 173.02% | 41.09% | |
| Pretax Income | -$20.80M | -$19.47M | -$17.35M |
| YoY Change | 46.48% | 54.63% | 86.48% |
| Income Tax | -$100.0K | -$66.00K | -$152.0K |
| % Of Pretax Income | |||
| Net Earnings | -$20.65M | -$19.40M | -$17.19M |
| YoY Change | 45.67% | 55.9% | 84.88% |
| Net Earnings / Revenue | -373.25% | -383.25% | -598.26% |
| Basic Earnings Per Share | |||
| Diluted Earnings Per Share | -$524.1K | -$510.5K | -$516.5K |
| COMMON SHARES | |||
| Basic Shares Outstanding | 38.03M | 33.32M | |
| Diluted Shares Outstanding | 38.03M | 33.32M |
Balance Sheet
| Concept | 2018 Q4 | 2018 Q3 | 2018 Q2 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | $161.4M | $206.1M | $132.0M |
| YoY Change | 74.34% | 100.07% | 17.44% |
| Cash & Equivalents | $15.08M | $96.73M | $18.57M |
| Short-Term Investments | $146.3M | $109.3M | $114.2M |
| Other Short-Term Assets | $5.200M | $4.600M | $6.000M |
| YoY Change | 225.0% | 109.09% | 130.77% |
| Inventory | |||
| Prepaid Expenses | $4.805M | $4.218M | |
| Receivables | |||
| Other Receivables | $926.0K | $193.0K | |
| Total Short-Term Assets | $168.1M | $211.4M | $138.5M |
| YoY Change | 76.88% | 99.47% | 19.6% |
| LONG-TERM ASSETS | |||
| Property, Plant & Equipment | $880.0K | $908.0K | $1.000M |
| YoY Change | -25.23% | -30.26% | -28.52% |
| Goodwill | |||
| YoY Change | |||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | $21.40M | ||
| YoY Change | |||
| Other Assets | $400.0K | $400.0K | $400.0K |
| YoY Change | -50.0% | -50.0% | -50.0% |
| Total Long-Term Assets | $22.68M | $1.316M | $1.400M |
| YoY Change | 1065.67% | -36.46% | -35.42% |
| TOTAL ASSETS | |||
| Total Short-Term Assets | $168.1M | $211.4M | $138.5M |
| Total Long-Term Assets | $22.68M | $1.316M | $1.400M |
| Total Assets | $190.8M | $212.7M | $139.9M |
| YoY Change | 96.72% | 96.86% | 18.59% |
| SHORT-TERM LIABILITIES | |||
| YoY Change | |||
| Accounts Payable | $4.371M | $2.638M | $3.692M |
| YoY Change | 14.16% | 122.24% | 97.96% |
| Accrued Expenses | $9.300M | $11.40M | $8.900M |
| YoY Change | 97.87% | 86.89% | 67.92% |
| Deferred Revenue | $26.83M | $29.24M | $22.27M |
| YoY Change | |||
| Short-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Long-Term Debt Due | |||
| YoY Change | |||
| Total Short-Term Liabilities | $40.45M | $43.20M | $34.82M |
| YoY Change | 375.51% | 494.06% | 384.33% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $0.00 | $0.00 | $0.00 |
| YoY Change | |||
| Other Long-Term Liabilities | $16.70M | $19.90M | $32.00M |
| YoY Change | 882.35% | 1070.59% | 1900.0% |
| Total Long-Term Liabilities | $16.70M | $19.90M | $32.00M |
| YoY Change | 882.35% | 1070.59% | 1900.0% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $40.45M | $43.20M | $34.82M |
| Total Long-Term Liabilities | $16.70M | $19.90M | $32.00M |
| Total Liabilities | $57.20M | $63.20M | $66.80M |
| YoY Change | 460.78% | 602.22% | 659.09% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | -$294.4M | -$254.3M | |
| YoY Change | 33.59% | 31.27% | |
| Common Stock | $428.1M | $327.4M | |
| YoY Change | 39.36% | 8.08% | |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $133.6M | $149.5M | $73.08M |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $190.8M | $212.7M | $139.9M |
| YoY Change | 96.72% | 96.86% | 18.58% |
Cashflow Statement
| Concept | 2018 Q4 | 2018 Q3 | 2018 Q2 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | -$20.65M | -$19.40M | -$17.19M |
| YoY Change | 45.67% | 55.9% | 84.88% |
| Depreciation, Depletion And Amortization | $50.00K | $80.00K | $110.0K |
| YoY Change | -61.54% | -33.33% | -15.38% |
| Cash From Operating Activities | -$24.36M | -$20.49M | $41.02M |
| YoY Change | 113.31% | 108.02% | -444.13% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | -$20.00K | -$30.00K | -$20.00K |
| YoY Change | 0.0% | 0.0% | |
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$57.81M | $5.480M | -$51.12M |
| YoY Change | -811.07% | -54.71% | -28.38% |
| Cash From Investing Activities | -$57.83M | $5.450M | -$51.13M |
| YoY Change | -811.32% | -54.85% | -28.39% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | |||
| YoY Change | |||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | 540.0K | 93.97M | 16.04M |
| YoY Change | 200.0% | 62546.67% | -81.66% |
| NET CHANGE | |||
| Cash From Operating Activities | -24.36M | -20.49M | 41.02M |
| Cash From Investing Activities | -57.83M | 5.450M | -51.13M |
| Cash From Financing Activities | 540.0K | 93.97M | 16.04M |
| Net Change In Cash | -81.65M | 78.93M | 5.930M |
| YoY Change | 2525.4% | 3230.38% | 43.93% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | -$24.36M | -$20.49M | $41.02M |
| Capital Expenditures | -$20.00K | -$30.00K | -$20.00K |
| Free Cash Flow | -$24.34M | -$20.46M | $41.04M |
| YoY Change | 113.13% | 108.35% | -444.87% |
Facts In Submission
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34003000 | |
| CY2018 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
337854000 | |
| CY2017 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
127394000 | |
| CY2016 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
68648000 | |
| CY2018 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
73000 | |
| CY2017 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
58000 | |
| CY2016 | us-gaap |
Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
|
717000 | |
| CY2017 | us-gaap |
Proceeds From Sale Of Property Plant And Equipment
ProceedsFromSaleOfPropertyPlantAndEquipment
|
41000 | |
| CY2018 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-82819000 | |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-36500000 | |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
45018000 | |
| CY2018 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
92063000 | |
| CY2017 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
86224000 | |
| CY2018 | cara |
Proceeds From Sale Of Common Stock Under License Agreement
ProceedsFromSaleOfCommonStockUnderLicenseAgreement
|
14556000 | |
| CY2018 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
4194000 | |
| CY2017 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
1699000 | |
| CY2016 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
123000 | |
| CY2018 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
110813000 | |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
87923000 | |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
123000 | |
| CY2018 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
5693000 | |
| CY2017 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
-3404000 | |
| CY2016 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
|
-2240000 | |
| CY2017Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
10157000 | |
| CY2016Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
13561000 | |
| CY2015Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
15801000 | |
| CY2018Q4 | us-gaap |
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
|
15850000 | |
| CY2016 | us-gaap |
Payments For Tenant Improvements
PaymentsForTenantImprovements
|
1094000 | |
| CY2018 | us-gaap |
Nature Of Operations
NatureOfOperations
|
<p style="margin-bottom:0pt;margin-top:12pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">1. Business</p> <p style="margin-bottom:0pt;margin-top:6pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Cara Therapeutics, Inc., or the Company, is a clinical-stage biopharmaceutical corporation formed on July 2, 2004. The Company is focused on developing and commercializing new chemical entities with a primary focus on pruritus as well as pain by selectively targeting peripheral kappa opioid receptors. The Company’s primary activities to date have been organizing and staffing the Company, developing its product candidates, including conducting preclinical studies and clinical trials of CR845/difelikefalin-based product candidates and raising capital. </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As of December 31, 2018, the Company has raised aggregate net proceeds of $383,200 from several rounds of equity financing, including its initial public offering, or IPO, which closed in February 2014 and three follow-on public offerings of common stock, which closed in July 2018, April 2017 and August 2015, respectively, and the issuance of convertible preferred stock and debt prior to the IPO. The Company had also received $88,900 under its license agreements for CR845/difelikefalin, primarily with Vifor Fresenius Medical Care Renal Pharma Ltd., or VFMCRP, Maruishi Pharmaceutical Co. Ltd., or Maruishi, and Chong Kun Dang Pharmaceutical Corp., or CKDP, and an earlier product candidate for which development efforts ceased in 2007. Additionally, in May 2018, the Company received net proceeds of $14,556 from the issuance and sale of 1,174,827 shares of the Company’s common stock to Vifor (International) Ltd., or Vifor, in connection with the Company’s license agreement with VFMCRP (see Note 11, <font style="font-style:italic;">Collaboration and Licensing Agreements</font>). </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As of December 31, 2018, the Company had unrestricted cash and cash equivalents and marketable securities of $182,779 and an accumulated deficit of $294,354. The Company has incurred substantial net losses and negative cash flows from operating activities in nearly every fiscal period since inception and expects this trend to continue for the foreseeable future. The Company recognized a net loss of $74,013 and had net cash used in operating activities of $22,301 for the year ended December 31, 2018. </p> <p style="margin-bottom:0pt;margin-top:12pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company is subject to risks common to other life science companies including, but not limited to, uncertainty of product development and commercialization, lack of marketing and sales history, development by its competitors of new technological innovations, dependence on key personnel, market acceptance of products, product liability, protection of proprietary technology, ability to raise additional financing, and compliance with Food and Drug Administration, or FDA, and other government regulations. If the Company does not successfully commercialize any of its product candidates, it will be unable to generate recurring product revenue or achieve profitability. </p> | |
| CY2018 | us-gaap |
Use Of Estimates
UseOfEstimates
|
<p style="margin-bottom:0pt;margin-top:18pt;text-indent:5.24%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Use of Estimates </p> <p style="margin-bottom:0pt;margin-top:6pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The preparation of financial statements in conformity with generally-accepted accounting principles in the United States or GAAP, requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, as of the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period. Actual results could differ materially from the Company’s estimates and assumptions. <font style="color:#000000;">Estimates include the fair value of marketable securities that are classified as level 2 of the fair value hierarchy, useful lives of fixed assets, the periods over which certain revenues will be recognized, including licensing and collaborative revenue recognized from non-refundable up-front and milestone payments, the determination of prepaid research and development, or R&D, clinical costs and accrued research projects, the amount of non-cash compensation costs related to share-based payments to employees and non-employees and the periods over which those costs are expensed and the likelihood of realization of deferred tax assets. </font></p> | |
| CY2018 | us-gaap |
Concentration Risk Credit Risk
ConcentrationRiskCreditRisk
|
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:5.24%;font-family:Times New Roman;font-size:10pt;"> </p> <p style="margin-bottom:0pt;margin-top:6pt;text-indent:5.24%;font-weight:bold;font-style:italic;font-size:10pt;font-family:Times New Roman;text-transform:none;font-variant: normal;">Concentrations of Credit Risk</p> <p style="margin-top:6pt;margin-bottom:0pt;text-indent:5.24%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Financial instruments, which potentially subject the Company to significant concentrations of credit risk consist primarily of cash equivalents and marketable securities. The Company invests its cash reserves in money market funds or high-quality marketable securities in accordance with its investment policy. The stated objectives of its investment policy are to preserve capital, provide liquidity consistent with forecasted cash flow requirements, maintain appropriate diversification and generate returns relative to these investment objectives and prevailing market conditions.<font style="color:#000000;"> The Company’s investment policy</font> includes guidelines on acceptable investment securities,<font style="color:#000000;"> limits interest-bearing security investments to certain types of debt and money market instruments issued by the U.S. government and institutions with investment grade credit ratings and places restrictions on maturities and concentration by asset class and issuer. T</font>he Company's cash and cash equivalents and marketable securities are held by three major financial institutions. In accordance with the Company's policies, the Company monitors exposure with its counterparties. The Company also maintains deposits in federally insured financial institutions in excess of federally insured limits. The Company has not experienced any losses in such accounts and management believes that the Company is not exposed to significant credit risk due to the financial position of the depository institutions in which those deposits are held. </p> | |
| CY2018 | dei |
Entity Incorporation Date Of Incorporation
EntityIncorporationDateOfIncorporation
|
2004-07-02 | |
| CY2018Q4 | cara |
Aggregate Net Proceeds From Equity Financing And Issuance Of Debt
AggregateNetProceedsFromEquityFinancingAndIssuanceOfDebt
|
383200000 | |
| CY2018Q4 | cara |
Upfront And Milestone Payments Earned In Connection With License Agreements
UpfrontAndMilestonePaymentsEarnedInConnectionWithLicenseAgreements
|
88900000 | |
| CY2018Q4 | us-gaap |
Cash Cash Equivalents And Short Term Investments
CashCashEquivalentsAndShortTermInvestments
|
182779000 | |
| CY2018Q4 | cara |
Prepaid Research And Development Expenses
PrepaidResearchAndDevelopmentExpenses
|
4377000 | |
| CY2017Q4 | cara |
Prepaid Research And Development Expenses
PrepaidResearchAndDevelopmentExpenses
|
1287000 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.00 | |
| CY2018 | us-gaap |
Number Of Operating Segments
NumberOfOperatingSegments
|
1 | |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
167812000 | |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
|
5000 | |
| CY2018Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
119000 | |
| CY2018Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
167698000 | |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
83251000 | |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
|
70000 | |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
83181000 | |
| CY2018Q4 | cara |
Available For Sale Securities Debt Maturities Exculding Money Market Funds Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesExculdingMoneyMarketFundsWithinOneYearAmortizedCost
|
146363000 | |
| CY2018Q4 | cara |
Available For Sale Securities Debt Maturities Excluding Money Market Funds One Year To Two Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesExcludingMoneyMarketFundsOneYearToTwoYearsAmortizedCost
|
21449000 | |
| CY2018Q4 | cara |
Available For Sale Debt Securities Excluding Money Market Funds Amortized Cost Basis
AvailableForSaleDebtSecuritiesExcludingMoneyMarketFundsAmortizedCostBasis
|
167812000 | |
| CY2018Q4 | cara |
Available For Sale Securities Debt Maturities Excluding Money Market Funds Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesExcludingMoneyMarketFundsWithinOneYearFairValue
|
146302000 | |
| CY2018Q4 | cara |
Available For Sale Securities Debt Maturities Excuding Money Market Funds One Year To Two Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesExcudingMoneyMarketFundsOneYearToTwoYearsFairValue
|
21396000 | |
| CY2018Q4 | cara |
Available For Sale Securities Debt Securities Excluding Money Market Funds Current
AvailableForSaleSecuritiesDebtSecuritiesExcludingMoneyMarketFundsCurrent
|
167698000 | |
| CY2017Q4 | cara |
Available For Sale Securities Debt Maturities Exculding Money Market Funds Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesExculdingMoneyMarketFundsWithinOneYearAmortizedCost
|
43263000 | |
| CY2017Q4 | cara |
Available For Sale Debt Securities Excluding Money Market Funds Amortized Cost Basis
AvailableForSaleDebtSecuritiesExcludingMoneyMarketFundsAmortizedCostBasis
|
43263000 | |
| CY2017Q4 | cara |
Available For Sale Securities Debt Maturities Excluding Money Market Funds Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesExcludingMoneyMarketFundsWithinOneYearFairValue
|
43230000 | |
| CY2017Q4 | cara |
Available For Sale Securities Debt Securities Excluding Money Market Funds Current
AvailableForSaleSecuritiesDebtSecuritiesExcludingMoneyMarketFundsCurrent
|
43230000 | |
| CY2018Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
|
132755000 | |
| CY2018Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
|
119000 | |
| CY2018Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
|
132755000 | |
| CY2018Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
119000 | |
| CY2017Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
|
82683000 | |
| CY2017Q4 | us-gaap |
Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss
DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
|
70000 | |
| CY2017Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position
DebtSecuritiesAvailableForSaleUnrealizedLossPosition
|
82683000 | |
| CY2017Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss
DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
|
70000 | |
| CY2018Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Number Of Positions
DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
|
69 | |
| CY2017Q4 | us-gaap |
Debt Securities Available For Sale Unrealized Loss Position Number Of Positions
DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions
|
30 | |
| CY2018Q4 | cara |
Available For Sale Securities Qualitative Disclosure Number Of Positions
AvailableForSaleSecuritiesQualitativeDisclosureNumberOfPositions
|
84 | |
| CY2017Q4 | cara |
Available For Sale Securities Qualitative Disclosure Number Of Positions
AvailableForSaleSecuritiesQualitativeDisclosureNumberOfPositions
|
31 | |
| CY2018 | us-gaap |
Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment
DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment
|
0 | |
| CY2017 | us-gaap |
Debt Securities Available For Sale Realized Loss Excluding Other Than Temporary Impairment
DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment
|
0 | |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
61000 | |
| CY2016 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
23000 | |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
-68000 | |
| CY2017 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
5000 | |
| CY2018 | us-gaap |
Other Comprehensive Income Loss Before Reclassifications Net Of Tax
OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax
|
-49000 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.826 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.753 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
|
0.678 | |
| CY2018Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
1134000 | |
| CY2018 | us-gaap |
Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax
ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax
|
-5000 | |
| CY2018Q4 | us-gaap |
Prepaid Insurance
PrepaidInsurance
|
245000 | |
| CY2017Q4 | us-gaap |
Prepaid Insurance
PrepaidInsurance
|
124000 | |
| CY2018Q4 | us-gaap |
Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
|
183000 | |
| CY2017Q4 | us-gaap |
Other Prepaid Expense Current
OtherPrepaidExpenseCurrent
|
224000 | |
| CY2018Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
2014000 | |
| CY2017Q4 | us-gaap |
Property Plant And Equipment Gross
PropertyPlantAndEquipmentGross
|
1941000 | |
| CY2017Q4 | us-gaap |
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
|
764000 | |
| CY2018Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
4371000 | |
| CY2017Q4 | us-gaap |
Accounts Payable Current
AccountsPayableCurrent
|
3829000 | |
| CY2018Q4 | cara |
Accrued Research Projects
AccruedResearchProjects
|
6079000 | |
| CY2017Q4 | cara |
Accrued Research Projects
AccruedResearchProjects
|
2356000 | |
| CY2018Q4 | us-gaap |
Accrued Professional Fees Current
AccruedProfessionalFeesCurrent
|
802000 | |
| CY2017Q4 | us-gaap |
Accrued Professional Fees Current
AccruedProfessionalFeesCurrent
|
384000 | |
| CY2018Q4 | us-gaap |
Accrued Employee Benefits Current
AccruedEmployeeBenefitsCurrent
|
2370000 | |
| CY2017Q4 | us-gaap |
Accrued Employee Benefits Current
AccruedEmployeeBenefitsCurrent
|
1864000 | |
| CY2017Q4 | us-gaap |
Other Accrued Liabilities Current
OtherAccruedLiabilitiesCurrent
|
73000 | |
| CY2018Q4 | us-gaap |
Stock Issued During Period Shares Restricted Stock Award Gross
StockIssuedDuringPeriodSharesRestrictedStockAwardGross
|
83791 | |
| CY2018 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
0 | |
| CY2017 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
0 | |
| CY2016 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
|
0 | |
| CY2018 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
|
0 | |
| CY2017 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
|
0 | |
| CY2016 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
|
0 | |
| CY2018 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
|
0 | |
| CY2017 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
|
0 | |
| CY2016 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
|
0 | |
| CY2018 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
|
0 | |
| CY2017 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
|
0 | |
| CY2016 | us-gaap |
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet
|
0 | |
| CY2018Q4 | us-gaap |
Fair Value Assets Level2 To Level1 Transfers Amount
FairValueAssetsLevel2ToLevel1TransfersAmount
|
0 | |
| CY2017Q4 | us-gaap |
Fair Value Assets Level2 To Level1 Transfers Amount
FairValueAssetsLevel2ToLevel1TransfersAmount
|
0 | |
| CY2016Q4 | us-gaap |
Fair Value Assets Level2 To Level1 Transfers Amount
FairValueAssetsLevel2ToLevel1TransfersAmount
|
0 | |
| CY2018Q4 | us-gaap |
Fair Value Assets Level1 To Level2 Transfers Amount
FairValueAssetsLevel1ToLevel2TransfersAmount
|
0 | |
| CY2017Q4 | us-gaap |
Fair Value Assets Level1 To Level2 Transfers Amount
FairValueAssetsLevel1ToLevel2TransfersAmount
|
0 | |
| CY2016Q4 | us-gaap |
Fair Value Assets Level1 To Level2 Transfers Amount
FairValueAssetsLevel1ToLevel2TransfersAmount
|
0 | |
| CY2018Q4 | us-gaap |
Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
|
0 | |
| CY2018 | cara |
Number Of Milestone Event Probable Of Occurrence Or Achieved
NumberOfMilestoneEventProbableOfOccurrenceOrAchieved
|
0 | |
| CY2017 | cara |
Number Of Milestone Event Probable Of Occurrence Or Achieved
NumberOfMilestoneEventProbableOfOccurrenceOrAchieved
|
0 | |
| CY2016 | cara |
Number Of Milestone Event Probable Of Occurrence Or Achieved
NumberOfMilestoneEventProbableOfOccurrenceOrAchieved
|
0 | |
| CY2018 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
9023000 | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
5303000 | |
| CY2016 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1
|
3589000 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
3893000 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
2285000 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
126000 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
1197500 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
1328500 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
|
1078000 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0251 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0185 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Minimum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
|
0.0119 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0309 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0257 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
|
0.0193 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.928 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.845 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate Maximum
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
|
0.778 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.00 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.00 | |
| CY2018 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
11.99 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
11.46 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
4.28 | |
| CY2018 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
8401000 | |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
6330000 | |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2800000 | |
| CY2018Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
|
20474000 | |
| CY2018 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
|
P2Y10M2D | |
| CY2018 | us-gaap |
Excess Tax Benefit From Share Based Compensation Operating Activities
ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
|
0 | |
| CY2017 | us-gaap |
Excess Tax Benefit From Share Based Compensation Operating Activities
ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
|
0 | |
| CY2016 | us-gaap |
Excess Tax Benefit From Share Based Compensation Operating Activities
ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
|
0 | |
| CY2018 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
0 | |
| CY2017 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
0 | |
| CY2016 | us-gaap |
Excess Tax Benefit From Share Based Compensation Financing Activities
ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
|
0 | |
| CY2018 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
| CY2017 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
| CY2016 | us-gaap |
Current Federal Tax Expense Benefit
CurrentFederalTaxExpenseBenefit
|
0 | |
| CY2018 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-389000 | |
| CY2017 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-204000 | |
| CY2016 | us-gaap |
Current State And Local Tax Expense Benefit
CurrentStateAndLocalTaxExpenseBenefit
|
-468000 | |
| CY2018 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-389000 | |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-204000 | |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
-468000 | |
| CY2018 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
0 | |
| CY2017 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
0 | |
| CY2016 | us-gaap |
Deferred Federal Income Tax Expense Benefit
DeferredFederalIncomeTaxExpenseBenefit
|
0 | |
| CY2018 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
0 | |
| CY2017 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
0 | |
| CY2016 | us-gaap |
Deferred State And Local Income Tax Expense Benefit
DeferredStateAndLocalIncomeTaxExpenseBenefit
|
0 | |
| CY2018 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
0 | |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
0 | |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
0 | |
| CY2018 | cara |
Percentage Of Research And Development Tax Credits Exchanged For Cash
PercentageOfResearchAndDevelopmentTaxCreditsExchangedForCash
|
0.65 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.2100 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.3400 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.3400 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.0682 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.0533 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation State And Local Income Taxes
EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
|
0.0544 | |
| CY2018 | cara |
Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act
EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsAct
|
0.0000 | |
| CY2017 | cara |
Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act
EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsAct
|
-0.4443 | |
| CY2016 | cara |
Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act
EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsAct
|
0.0000 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Research
EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
|
0.0348 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Research
EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
|
0.0325 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Credits Research
EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
|
0.0324 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.0043 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
0.0021 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost
EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
|
-0.0007 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.0015 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.0056 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.0064 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.3176 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
0.0255 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.0154 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.0000 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.0000 | |
| CY2018 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.0053 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.4117 | |
| CY2018 | cara |
Effective Income Tax Rate Reconciliation Provision To Return
EffectiveIncomeTaxRateReconciliationProvisionToReturn
|
0.0003 | |
| CY2017 | cara |
Effective Income Tax Rate Reconciliation Provision To Return
EffectiveIncomeTaxRateReconciliationProvisionToReturn
|
0.0000 | |
| CY2016 | cara |
Effective Income Tax Rate Reconciliation Provision To Return
EffectiveIncomeTaxRateReconciliationProvisionToReturn
|
0.0000 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.0035 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.0080 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
73578000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
54831000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
11108000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Credit Carryforwards Research
DeferredTaxAssetsTaxCreditCarryforwardsResearch
|
8401000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Deferred Income
DeferredTaxAssetsDeferredIncome
|
1111000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
3605000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
|
2382000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
420000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
582000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
89822000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
66196000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
7000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Property Plant And Equipment
DeferredTaxLiabilitiesPropertyPlantAndEquipment
|
23000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
89815000 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
66173000 | |
| CY2018Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
0 | |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
0 | |
| CY2018 | cara |
Deferred Tax Assets Valuation Allowance Percentage
DeferredTaxAssetsValuationAllowancePercentage
|
1.00 | |
| CY2017 | cara |
Deferred Tax Assets Valuation Allowance Percentage
DeferredTaxAssetsValuationAllowancePercentage
|
1.00 | |
| CY2018 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
23642000 | |
| CY2017 | us-gaap |
Valuation Allowance Deferred Tax Asset Change In Amount
ValuationAllowanceDeferredTaxAssetChangeInAmount
|
618000 | |
| CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
|
840000 | |
| CY2018 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
0 | |
| CY2017 | us-gaap |
Unrecognized Tax Benefits Income Tax Penalties And Interest Expense
UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
|
0 | |
| CY2018 | us-gaap |
Income Tax Examination Description
IncomeTaxExaminationDescription
|
Tax years 2006 through 2017 remain open to U.S. federal and state tax examinations. | |
| CY2018 | us-gaap |
Open Tax Year
OpenTaxYear
|
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 | |
| CY2017 | cara |
Tax Cuts And Jobs Act Of2017 Decrease In Deferred Tax Assets
TaxCutsAndJobsActOf2017DecreaseInDeferredTaxAssets
|
25913000 | |
| CY2018 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
35892786 | |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
31202842 | |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
27279008 | |
| CY2018 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
0 | |
| CY2017 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
0 | |
| CY2016 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
0 | |
| CY2018 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
35892786 | |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
31202842 | |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
27279008 | |
| CY2018 | us-gaap |
Defined Contribution Plan Plan Name
DefinedContributionPlanPlanName
|
401(k) | |
| CY2018 | us-gaap |
Description Of Defined Contribution Pension And Other Postretirement Plans
DescriptionOfDefinedContributionPensionAndOtherPostretirementPlans
|
All employees over the age of 21 are eligible to participate in the plan at the beginning of the calendar quarter after three consecutive months of service. | |
| CY2018 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
198000 | |
| CY2017 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
174000 | |
| CY2016 | us-gaap |
Defined Benefit Plan Contributions By Employer
DefinedBenefitPlanContributionsByEmployer
|
118000 | |
| CY2015Q1 | us-gaap |
Defined Contribution Plan Employer Matching Contribution Percent Of Match
DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
|
0.03 | |
| CY2018Q2 | us-gaap |
Revenues
Revenues
|
2874000 | |
| CY2018Q3 | us-gaap |
Revenues
Revenues
|
5062000 | |
| CY2018Q4 | us-gaap |
Revenues
Revenues
|
5533000 | |
| CY2018Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-16767000 | |
| CY2018Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-17194000 | |
| CY2018Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-19400000 | |
| CY2018Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-20652000 | |
| CY2018Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.51 | |
| CY2018Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.52 | |
| CY2018Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.51 | |
| CY2018Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.52 | |
| CY2017Q1 | us-gaap |
Revenues
Revenues
|
911000 | |
| CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-22204000 | |
| CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-9300000 | |
| CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-12444000 | |
| CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
-14177000 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.81 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.29 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.38 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Basic And Diluted
EarningsPerShareBasicAndDiluted
|
-0.43 | |
| CY2017 | cara |
Earnings Per Share Basic And Diluted Calculated On Quarterly Basis
EarningsPerShareBasicAndDilutedCalculatedOnQuarterlyBasis
|
-1.91 |
