Document And Entity Information [Abstract] Document Information [Table] Legal Entity [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 [Axis] 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 Available-for-sale Securities, Current Short-term investments Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total Current Assets Property, Plant and Equipment, Net Property and equipment, net Property and equipment, net Assets Total 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, 71,954,843 and 62,248,074 shares issued and outstanding as of September 30, 2017 and December 31, 2016, respectively Additional Paid in Capital Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income 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 General and Administrative Expense, Total General and administrative Operating Expenses [Abstract] Costs and expenses Operating Income (Loss), Total Loss from operations Investment Income, Interest Interest income Nonoperating Income (Expense) [Abstract] Other income Other Preferred Stock Dividends and Adjustments Deemed dividend related to beneficial conversion feature of convertible preferred stock 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 income: Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized (loss) gain 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, Continuing Operations [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 Amortization of Debt Discount (Premium) Amortization of discount (premium) 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 current assets Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Share-based Compensation Stock-based compensation expense Payments to Acquire Available-for-sale Securities, Total Purchase of short- term investments 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 provided by (used in) 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 preferred stock and common stock, net Increase (Decrease) in Accrued Liabilities Accrued expenses Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash Flows From Investing Activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [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) gain 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] Business Description and Basis of Presentation [Text Block] GENERAL ORGANIZATION AND BUSINESS Equity Components [Axis] Net Cash Provided by (Used in) Operating Activities, Continuing Operations, Total Cash, Cash Equivalents, and Short-term Investments, Total Total 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 of Financial Instruments, 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 Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of Assets Measured at Fair Value Measurement Frequency [Axis] Assets, Fair Value Disclosure, Total Fair Value, Hierarchy [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Commercial paper [Member] Cash and Cash Equivalents [Axis] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Major Types of Debt and Equity Securities [Axis] Cash and Cash Equivalents [Domain] Major Types of Debt and Equity Securities [Domain] Corporate Debt Securities [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] 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 AND SHORT-TERM INVESTMENTS 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 Trading Securities, Cost Amortized Cost Money Market Funds [Member] Securities or Other Assets Sold under Agreements to Repurchase [Axis] Trading Securities, Unrealized Holding Gain Gross Unrealized Gains Trading Securities, Unrealized 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] Property, Plant and Equipment [Table Text Block] Schedule of Property, Plant and Equipment Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Gross, Total Total Property and equipment, cost Property, Plant and Equipment, Type [Domain] Equipment [Member] Lab Equipment [Member] Computer Equipment [Member] Office Equipment [Member] Office Furniture and Equipment [Member] Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation and amortization 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] Stock Issued During Period, Shares, New Issues Common stock sold in public offering, net of offering costs (in shares) Class of Stock [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Beginning Balance Non-vested shares, Beginning Balance Non-vested shares, Ending balance 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, Vested in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Beginning Balance Weighted Average Grant Date Fair Value, Beginning Balance Weighted Average Grant Date Fair Value, Ending balance 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, Weighted Average Grant Date Fair Value Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Forfeited Conversion of Stock, Shares Issued Conversion of Stock, Shares Converted 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 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 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosures [Abstract] Weighted Average Remaining Contractual Life AggregateIntrinsicValue [Abstract] Aggregate Intrinsic Value Equity-Based Arrangements, Individual Contracts, Type of Deferred Compensation [Axis] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional 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] 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] 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, Equity Instruments Other than Options, Forfeited in Period Forfeited Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Option Indexed to Issuer's Equity, Type [Domain] Employee Stock Option [Member] Equity Component [Domain] General and Administrative Expense [Member] Net Income (Loss) Available to Common Stockholders, Basic, Total Net Loss Attributable to Common Stockholders 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 Operating Expenses, Total Total costs and expenses Stockholders' Equity Note, Redeemable Preferred Stock, Issue, Policy [Policy Text Block] Preferred Stock Leasehold Improvements [Member] Sale of Stock, Price Per Share Troubled Debt Restructuring, Debtor, Current Period, Creditor [Domain] Sale of Stock [Axis] 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: Income Taxes Paid, Net Cash paid for income taxes Interest Paid, Net Interest paid 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 US Government Debt Securities [Member] US Government agency securities [Member] Available-for-sale Securities Corporate debt securities (reported as short-term investments) Corporate debt securities Available-for-sale Securities Available-for-sale Securities, Estimated Fair Value 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 2017 (remaining three months) Operating Leases, Future Minimum Payments, Due in Two Years 2018 2018 Operating Leases, Future Minimum Payments, Due in Three Years 2019 2019 Operating Leases, Future Minimum Payments, Due in Four Years 2020 2020 Operating Leases, Future Minimum Payments, Due in Five Years 2021 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] AGREEMENTS The entire disclosure for licenses and agreements. Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Exclusive Patent License Agreement [Member] Moffitt License Agreement [Member] 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 tials management fees payable. Consulting Fees Receivable Amount of consulting fees for sevices rendered related to poduct 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 temination 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] Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Expired/Cancelled Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Expired Expired/Cancelled Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Schedule of Nonvested Restricted Stock Units Activity Equity Incentive Plan [Member] 2014 Equity Incentive Plan [Member] Restricted Common Stock [Member] Shares Issued, Price Per Share Schedule of Accrued Liabilities [Table Text Block] Schedule of Accrued Liabilities Construction in Progress [Member] 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] Cooperative Research and Development Agreement [Member] 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 Subsequent Events, Policy [Policy Text Block] Subsequent Events Reclassification, Policy [Policy Text Block] Reclassifications PolyBioCept, AB - Exclusive and Co-Exclusive License Agreement [Member] Chief Executive Officer [Member] 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 under accounts payable and accrued expenses The amount of debt offering costs under accounts payable and accrued expenses that were incurred during a noncash or partial noncash transaction. Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Subsequent Event Type [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding 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. Board of Directors Chairman [Member] Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Deemed Dividend Related To Beneficial Conversion Feature Deemed dividend related to a beneficial conversion feature Amount of deemed dividend related to beneficial conversion feature. Conversion of Stock, Amount Converted Conversion of convertible preferred stock to common stock Conversion of convertible preferred stock to common stock Document Information [Line Items] 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.