Document And Entity Information [Abstract] Document Information [Table] Class of Stock [Axis] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Trading Symbol Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] Statement [Table] Class of Stock [Domain] Statement [Line Items] Assets, Current [Abstract] Current Assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Checking and savings accounts (reported as cash and cash equivalents) Cash and Cash Equivalents, Beginning of Period Cash and Cash Equivalents, End of Period Cash and Cash Equivalents, at Carrying Value Prepaid Expense and Other Assets, Current Prepaid expenses and other assets Assets, Current Total Current Assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Other Assets, Noncurrent Long-term assets Liabilities, Current [Abstract] Current Liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Accrued liabilities Liabilities, Current Total Current Liabilities Commitments and Contingencies Commitments and contingencies (Note 9) Preferred Stock, Value, Issued Preferred stock, Value Common Stock, Value, Issued Common stock, $0.000041666 par value; 150,000,000 shares authorized, 89,615,417 and 73,164,914 shares issued and outstanding as of March 31, 2018 and December 31, 2017, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent, Total Total Stockholders’ Equity Beginning Balance Ending Balance Liabilities and Equity, Total Total Liabilities and Stockholders’ Equity Income Statement [Abstract] Revenues, Total Revenues Revenue Research and Development Expense, Total Research and development expenses General and Administrative Expense, Total General and administrative expenses Operating Expenses [Abstract] Costs and expenses Operating Income (Loss), Total Loss from operations Investment Income, Interest Interest income Nonoperating Income (Expense) [Abstract] Other income Statement of Comprehensive Income [Abstract] Net Income (Loss) Attributable to Parent, Total Net Loss Net loss Net Loss Net loss attributable to common stockholders Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive loss: Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized loss on short-term investments Unrealized loss on short- term investments Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total Comprehensive Loss Statement of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash Flows From Operating Activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net loss to net cash used in operating activities: Depreciation, Depletion and Amortization, Nonproduction, Total Depreciation and amortization Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss on disposal of assets Amortization of Debt Discount (Premium) Amortization of discount on investments Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets, Total Prepaid expenses and other assets Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Proceeds from Sale and Maturity of Available-for-sale Securities, Total Maturities of short- term investments Payments to Acquire Property, Plant, and Equipment, Total Purchase of property and equipment Net Cash Provided by (Used in) Investing Activities Net cash (used in) provided by investing activities Increase (Decrease) in Accounts Payable Accounts payable Payments Related to Tax Withholding for Share-based Compensation Tax payments related to shares withheld for vested restricted stock awards Proceeds from Warrant Exercises Proceeds from the issuance of common stock upon exercise of warrants Proceeds from Stock Options Exercised Proceeds from the issuance of common stock upon exercise of options Proceeds from Issuance of Common Stock Proceeds from the issuance of common stock, net Increase (Decrease) in Accrued Liabilities Accrued expenses Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows From Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows From Financing Activities Cash and Cash Equivalents, Period Increase (Decrease), Total Net increase in cash and cash equivalents Unrealized Gain Loss on Short-Term Investments Unrealized loss on short-term investments Amount of unrealized (loss)gain on short-term investments. Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Preferred Stock, Shares Outstanding Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Common Stock, Shares, Outstanding Organization, Consolidation and Presentation of Financial Statements [Abstract] Equity Components [Axis] Cash, Cash Equivalents, and Short-term Investments, Total Total Stock Issued During Period, Shares, New Issues Common stock sold in public offering, net of offering costs (in shares) Accounting Policies [Abstract] Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING PRACTICES Marketable Securities, Policy [Policy Text Block] Short-term Investments Earnings Per Share, Policy [Policy Text Block] Loss per Share Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurements Use of Estimates, Policy [Policy Text Block] Use of Estimates Consolidation, Policy [Policy Text Block] Principles of Consolidation Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Stock-Based Compensation Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Income Statement Location [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost, Total Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost, Total Income Statement Location [Domain] Research and Development Expense [Member] Research and Development Expense [Member] Cash, Cash Equivalents, and Short-term Investments [Abstract] Cash, Cash Equivalents, and Short-term Investments [Text Block] CASH AND CASH EQUIVALENTS Cash, Cash Equivalents and Investments [Table Text Block] Schedule of Cash, Money Market Funds and Short-Term Investments Unrealized Gain (Loss) on Investments [Table Text Block] Schedule of Unrealized Gains and Losses Cash and Cash Equivalents [Axis] Held-to-maturity Securities, Current Amortized Cost Major Types of Debt and Equity Securities [Axis] Cash and Cash Equivalents [Domain] Money Market Funds [Member] Securities or Other Assets Sold under Agreements to Repurchase [Axis] Major Types of Debt and Equity Securities [Domain] Held-to-maturity Securities, Unrecognized Holding Gain Gross Unrealized Gains Held-to-maturity Securities, Unrecognized Holding Loss Gross Unrealized Losses Investment Owned, at Fair Value Fair Value Loss Contingency [Abstract] Contingencies Disclosure [Text Block] LEGAL PROCEEDINGS Related Party [Axis] Loss Contingency, Damages Sought, Value Commitments and Contingencies Disclosure [Abstract] Other Commitments [Table] License And Commitments [Table] Lease Arrangement, Type [Axis] Supplemental Balance Sheet Disclosures [Text Block] BALANCE SHEET COMPONENTS Property, Plant and Equipment [Abstract] Stockholders' Equity Note [Abstract] Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDERS’ EQUITY Schedule of Stock by Class [Table] Series A Convertible Preferred Stock [Member] Award Type [Axis] Conversion of Stock, Shares Issued Creditor [Axis] Equity Award [Domain] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK BASED COMPENSATION Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Status of Stock Options Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Options Shares Under Warrants Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance Outstanding, beginning balance Outstanding, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted Issued Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Common stock issued upon exercise of stock options (in shares) Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Expired/Forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance Outstanding, beginning balance Outstanding, ending balance Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Granted Issued Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Expired/Forfeited Warrants and Rights Remaining Contractual Life [Abstract] Weighted Average Remaining Contractual Life Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding AggregateIntrinsicValue [Abstract] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Outstanding, beginning balance Outstanding, ending balance Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Exercisable Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Allocated Share-based Compensation Expense Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total Plan Name [Axis] Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Domain] Employee Stock Option [Member] Antidilutive Securities [Axis] Plan Name [Domain] Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Range [Axis] Antidilutive Securities, Name [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable Shares Issued Plan [Axis] Range [Domain] Maximum [Member] Minimum [Member] Option Indexed to Issuer's Equity, Type [Axis] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Option Indexed to Issuer's Equity, Type [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Sale of Stock [Axis] Equity Component [Domain] General and Administrative Expense [Member] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Stock-Based Compensation Earnings Per Share, Basic and Diluted, Total Net Loss Per Common Share, Basic and Diluted Net loss per share, basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted-Average Common Shares Outstanding, Basic and Diluted Weighted average shares used in computing net loss per share, basic and diluted Share-based Compensation Stock-based compensation expense Operating Expenses, Total Total costs and expenses Sale of Stock, Price Per Share Troubled Debt Restructuring, Debtor, Current Period, Creditor [Domain] Related Party [Domain] Sale of Stock [Domain] Private Placement [Member] Stock Conversion Description [Axis] Title of Individual [Axis] Conversion of Stock, Name [Domain] Convertible Price Per Shares The price per share at which the preferred stock of an entity is converted. Area of Land Operating Leases, Rent Expense Indefinite-lived Intangible Assets [Axis] Lease Arrangement, Type [Domain] Tampa Lease [Member] Other Commitments [Line Items] License And Commitments [Line Items] Indefinite-lived Intangible Assets, Major Class Name [Domain] Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity Relationship to Entity [Domain] Shares Issued Plan [Domain] Lease Expiration Term Expiration term of the lease agreement. Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan Series A Preferred Stock [Member] Series A Convertible Preferred stock [Member] Series A Convertible Preferred Stock [Member] Series B Preferred Stock [Member] Series B Convertible Preferred stock [Member] Series B Convertible Preferred Stock [Member] Preferred Stock, Redemption Amount Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Supplemental Cash Flow Information [Abstract] Supplemental Disclosures of Cash Flow Information: Leasehold Improvements Paid by Landlord Acquisitions of property and equipment under accounts payable Future cash outflow to pay for leasehold improvements that have occurred. Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental disclosure of non-cash investing and financing activities: Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS Payments for Legal Services The amount of cash paid for the legal service during the period. Due to Related Parties, Current Solomon Capital, LLC [Member] Proceeds from Related Party Debt Debt Instrument, Face Amount Debt Instrument, Convertible, Number of Equity Instruments Loss Contingency, Estimate of Possible Loss Assets Sold under Agreements to Repurchase, Type [Domain] Commercial Paper [Member] Warrant [Member] Restricted Stock Awards [Member] Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Investment Type [Axis] Demand Deposits [Member] Investments [Domain] Commitments and Contingencies Disclosure [Text Block] LICENSES AND COMMITMENTS COMMITMENTS AND CONTINGENCIES Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases Operating Leases, Future Minimum Payments Due, Next Twelve Months 2017 2018 (remaining nine months) Operating Leases, Future Minimum Payments, Due in Two Years 2018 2019 Operating Leases, Future Minimum Payments, Due in Three Years 2019 2020 Operating Leases, Future Minimum Payments, Due in Four Years 2020 2021 Operating Leases, Future Minimum Payments Due Total New York Lease [Member] Operating Leases, Rent Expense, Minimum Rentals Licenses And Agreements [Abstract] Licenses And Agreements Disclosure [Text Block] LICENSES AND AGREEMENTS The entire disclosure for licenses and agreements. Finite-Lived Intangible Assets by Major Class [Axis] Legal Entity [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Moffitt License Agreement [Member] Property, Plant and Equipment, Type [Axis] Entity [Domain] KarolinskaUniversityHospital [Member] Payments For Upfront Licensing Fee This element represents the amount of cash outflow for the payment of upfront licensing fee. Payments For Clinical Trials Agreement This element represents the amount of cash outflow for the payment of clinical trails agreement. Payment For Upfront Exclusive License Amount paid for un-front licence agreement. Additional Milesone Payable Additional Milesone Payable Additional amount of milestone have to be made. Number Of Unregistered Common Stock To Be Issued Number Of Unregistered Common Stock To Be Issued Number of unregistered common stock to be issued. ReimbursementIn Relation To Transfer Of Knowhow ReimbursementIn Relation To Transfer Of Knowhow Amount of reimbursement will be made in relation to transfer of know-how. Clinical Trials Management Fees Payable Amount of clinical trials management fees payable. Consulting Fees Receivable Amount of consulting fees for services rendered related to product development and research will be receivable. Initial Term Of Licence Agreement It represents for initial term of licence agreement. Repayments To Be Made For Termination Of Licence Agreement Amount of repayment which will be made for the termination of licence agreement. Payments To Be Made For Other Related Agreements Amount of payment which will be made for other related agreement. Common Stock Registered For Resale Number of common shares which registered for resale. Subsequent Event Type [Axis] Shares Sold Under Ineffective Registration The number of shares that may be sale by the shareholders under ineffective registration statement. Number of share options or share units exercised during the current period. Number of share options (or share units) exercised during the current period. Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Schedule of Stockholders' Equity Note, Warrants or Rights Schedule of Status of Stock Warrants Series B Convertible Preferred Stock [Member] Warrants and Rights Outstanding RollForward [Abstract] Shares Under Warrants Class of Warrant or Right, Outstanding Outstanding, beginning balance Outstanding, ending balance Warrants and Rights Grants In Period Gross Issued Gross number of warrants and rights granted during the period. Warrants And Rights Additional Disclosures [Abstract] Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Equity Incentive Plan [Member] 2014 Equity Incentive Plan [Member] Restricted Common Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Shares Issued, Price Per Share Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Liabilities Accrued Employee Benefits, Current Accrued payroll and employee related expenses Legal And Related Services Current Legal and related services Carrying value as of the balance sheet date of obligations incurred through that date and payable for legal and related services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Clinical Related Expenses Current Clinical related Carrying value as of the balance sheet date of obligations incurred through that date and payable for clinical and related services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Manufacturing Related Expenses Current Manufacturing related Carrying value as of the balance sheet date of obligations incurred through that date and payable for manufacturing of the entity's goods and services. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Rent, Current Deferred rent Other Accrued Liabilities, Current Accrued other National Cancer Institute [Member] Agreement Term It represents the term of agreement. Cooperative Research and Development Agreement [Member] Stockholders' Equity Note, Redeemable Preferred Stock, Issue, Policy [Policy Text Block] Preferred Stock Convertible Instruments Policy [Text Block] Convertible Instruments The accounting policy for all convertible instruments issued by the entity. New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Standards PolyBioCept, AB - Exclusive and Co-Exclusive License Agreement [Member] Chief Executive Officer [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Vested First Anniversary [Member] Satisfaction Of Clinical Trial Milestones [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Blank Check [Member] Offering Costs Under Accounts Payable and Accrued Expenses Offering costs included in accounts payable The amount of debt offering costs under accounts payable and accrued expenses that were incurred during a noncash or partial noncash transaction. Manufacturing and Services Agreement, Amount Payable It represent manufacturing and services agreement, amount payable for the reporting period. WuXi Apptech, Inc - Manufacturing and Services Agreement [Member] Property, Plant and Equipment, Type [Domain] Manufacturing Suites [Member] Commercial Manufacturing cGMP Suite [Member] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Subsequent Event Type [Domain] Subsequent Events, Policy [Policy Text Block] Subsequent Events Class of Stock [Line Items] San Carlos Lease [Member] Teradata US, Inc [Member] Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross Prepaid Expense, Current Category of Item Purchased [Axis] Long-term Purchase Commitment, Category of Item Purchased [Domain] Research and Development Arrangement [Member] Consulting Agreement,Term It represents the term of consulting agreement made by the entity. Related Party Transaction [Axis] Board of Directors Chairman [Member] Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Non-vested shares, Beginning Balance Non-vested shares, Ending balance Restructuring Type [Axis] Steven Fischkoff [Member] Dr. Steven Fischkoff [Member] Type of Restructuring [Domain] Severance Pay And Retention Bonus It represent the value including severance pay and retention bonus. Assets Total Assets Stock Issued During Period, Value, New Issues Common stock sold in public offering, net of offering costs IPO [Member] Business Description and Basis of Presentation [Text Block] GENERAL ORGANIZATION AND BUSINESS Operating Leases, Rent Expense, Sublease Rentals Share-based Compensation Arrangement by Share-based Payment Award, Description Two Thousand Eleven Equity Incentive Plan [Member] 2011 Equity Incentive Plan [Member] Common Stock, Capital Shares Reserved for Future Issuance Document Information [Line Items] Related Party Transaction [Domain] Consulting Agreement [Member] Reclassification, Policy [Policy Text Block] Reclassifications Proceeds From Issuance Of Common Stock, Gross The gross cash inflow from the additional capital contribution to the entity. Warrants and Rights Exercised Exercised Gross number of warrants and rights granted during the period. Warrants and Rights Forfeitures And Expirations In Period Expired/Cancelled The number of warrants and rights were cancelled or expired during the reporting period. Warrants and Rights Outstanding Weighted Average Exercise Price Outstanding, beginning balance Outstanding, ending balance Weighted average price of warrants and rights Outstanding. Warrants and Rights Grants In Period Weighted Average Exercise Price Granted Weighted average per share amount of exercise of warrants and rights . Warrants and Rights Exercises In Period Weighted Average Exercise Price Exercised Weighted average price of exercised warrants and rights. Warrants and Rights Expirations In Period Weighted Average Exercise Price Expired/Cancelled Weighted average price of warrants and rights expired. Warrants and Rights Vested And Expected To Vest Outstanding Aggregate Intrinsic Value Outstanding, ending balance The amount of warrants and rights vested and expected to vest outstanding aggregate intrinsic value Warrants and Rights Outstanding Weighted Average Remaining Contractual Term Outstanding The element represents about the warrants and rights outstanding weighted average remaining contractual term.