Document and Entity Information [Abstract] Document and Entity Information Document Type Document Period End Date Entity Registrant Name Trading Symbol Entity Current Reporting Status Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag CONDENSED CONSOLIDATED BALANCE SHEETS Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Prepaid Expense, Current Prepaid expenses and deposits Interest Receivable Interest receivable Assets, Current Total current assets Assets, Noncurrent [Abstract] Non-current assets: Property, Plant and Equipment, Net Property and equipment, net Property, plant and equipment, net Operating lease, right-of-use asset Right-of-use assets, net Assets, Noncurrent Total non-current assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities: Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Total accounts payable and accrued liabilities Operating Lease, Liability, Current Lease liability Derivative Liability, Current Warrant liability Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Non-current liabilities: Operating Lease, Liability, Noncurrent Lease liability, net of current portion Liabilities, Noncurrent Total non-current liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (see Note 10) Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock - $0.001 par value, 5 million shares authorized and 0 shares issued and outstanding at June 30, 2019 and December 31, 2018, respectively Common Stock, Value, Issued Common stock, $0.001 par value, 150 million shares authorized, 45.5 million and 45.4 million shares issued and outstanding as of June 30, 2019 and December 31, 2018, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Liabilities and Equity Total liabilities and Stockholders' equity Preferred Stock, Par or Stated Value Per Share Preferred stock par value Preferred Stock, Shares Authorized Preferred stock shares authorized/designated Preferred Stock, Shares Issued Preferred stock issued Preferred Stock, Shares Outstanding Preferred stock outstanding Common Stock, Par or Stated Value Per Share Common stock shares par value Common Stock, Shares Authorized Common stock shares authorized Common Stock, Shares, Issued Common stock shares issued Common Stock, Shares, Outstanding Common stock shares outstanding CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenues [Abstract] Revenues Total revenues Costs and Expenses [Abstract] Operating expenses: Research and Development Expense Research and development General and Administrative Expense General and administrative Operating Expenses Total operating expenses Operating Income (Loss) Loss from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Derivative, Gain (Loss) on Derivative, Net Change in fair value of warrant liabilities Investment Income, Interest Interest income Net loss Net Income (Loss) Attributable to Parent Net loss Net loss Net loss Earnings Per Share, Basic and Diluted Basic and diluted Net loss per share, basic and diluted Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average number of common shares outstanding CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid- in Capital Retained Earnings [Member] Accumulated Deficit Shares, Issued Ending Balance, Shares Beginning Balance, Shares Private placement amount. Private Placement Amount Issuance of common stock in private placement Private placement share. Private Placement Share Issuance of common stock in private placement, Shares Stock Issued During Period, Value, Stock Options Exercised Stock options exercised for cash, value Stock options exercised for cash Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock options exercised for cash, Shares Warrant Of Cash Less Exercised. Warrant Of Cash Less Exercised Stock warrants cashless exercised The warrant exercised of non cash transaction shares issued. Warrant Of Cash Less Exercised Shares Issued Stock warrants cashless exercised, Shares Exercise of warrants amount. Exercise Of Warrants Amount Warrants exercised for cash Exercise of warrants share. Exercise Of Warrants share Warrants exercised for cash, Shares Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation Stock Issued During Period, Shares, Share-based Compensation, Gross Aggregate shares of common stock Stock-based compensation (in shares) Adjustments to Additional Paid in Capital, Warrant Issued Fair value of repriced warrants as inducement CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS 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] Reconciliation of net loss to net cash used in operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Increase (Decrease) in Derivative Liabilities Changes in fair value of warrant liabilities Share-based Compensation Stock-based compensation Total stock compensation expenses The expense charged against earnings for the periodic recognition of operating lease right of use asset. Amortization Of Operating Lease Right Of Use Assets Amortization on right-of-use assets Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense Prepaid expenses and deposits Increase (Decrease) in Accrued Interest Receivable, Net Interest receivable Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses The increase (decrease) during the period in operating lease liability. Increase Decrease In Operating Lease Liability Lease liability Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash Flows from Investing Activities: Payments to Acquire Property, Plant, and Equipment Purchase of property and equipment Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash Flows from Financing Activities: The cash inflow from the additional capital contribution to the entity due to issue of common stock and warrants in a private placement. Proceeds From Issuance Of Common Stock And Warrants In Private Placement Proceeds from issuance of common stock and warrants in private placement, net of offering costs Proceeds from Stock Options Exercised Proceeds from exercise of stock options Proceeds from Warrant Exercises Proceeds from exercise of warrants Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Net decrease in cash Cash Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental schedule of non-cash financing activities: Fair value of repriced warrants as inducement which classified as non financing and investing activities. Non cash Or Part Non cash Transaction Fair Value Of Repriced Warrants As Inducement Fair value of repriced warrants as inducement The value of warrant exercised of non cash amount transaction. Non Cash Exercise Of Warrants Amount Stock warrants cashless exercised NATURE OF OPERATIONS Nature of Operations [Text Block] NATURE OF OPERATIONS n/a BASIS OF PRESENTATION Basis of Accounting [Text Block] BASIS OF PRESENTATION n/a LIQUIDITY AND FINANCIAL CONDITION Liquidity And Financial Condition Text Block Liquidity And Financial Condition [Text Block] LIQUIDITY AND FINANCIAL CONDITION SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] SIGNIFICANT ACCOUNTING POLICIES NET LOSS PER SHARE Noncontrolling Interest Disclosure [Text Block] NET LOSS PER SHARE PROPERTY AND EQUIPMENT Property, Plant and Equipment Disclosure PROPERTY AND EQUIPMENT LEASES Lessee, Operating Leases [Text Block] LEASES ACCOUNTS PAYABLE AND ACCRUED LIABILITIES Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCOUNTS PAYABLE AND ACCRUED LIABILITIES WARRANT LIABILITY AND FAIR VALUE MEASUREMENTS Derivatives and Fair Value [Text Block] WARRANT LIABILITY AND FAIR VALUE MEASUREMENTS COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES STOCKHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDERS' EQUITY STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED COMPENSATION Related Party Disclosure RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS Lessee, Leases [Policy Text Block] Leases New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Standards Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of net loss per share Net Loss Per Share Net Loss Per Share [Table Text Block] Schedule of anti-dilutive securities Schedule of property and equipment Tabular disclosure of lease cost and other information related to operating leases. Schedule Of Lease Cost And Other Information Related to Operating Leases [Table Text Block] Schedule of quantitative information about operating leases Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of maturities of operating leases Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Schedule of accounts payable and accrued liabilities Valuation methodology. Schedule of valuation methodology Financial assets and liabilities measured at fair value on recurring basis. Financial Assets And Liabilities Measured At Fair Value On Recurring Basis [Table Text Block] Schedule of financial liabilities measured at fair value on a recurring basis Measured at fair value. Schedule of changes in level 3 liabilities measured at fair value Tabular disclosure of share purchase warrants. Share Purchase Warrants [Table Text Block] Schedule of share purchase warrants Tabular disclosure of stock based compensation expenses recorded. Stock based Compensation Expenses [Table Text Block] Schedule of stock-based compensation expenses Operating lease, liability Operating lease liabilities included in the Condensed Consolidated Balance Sheet at June 30, 2019 Deferred Rent Credit Deferred rent Net Income (Loss) Attributable to Parent, Diluted [Abstract] Numerator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Basic Weighted average common shares outstanding Earnings Per Share, Basic and Diluted [Abstract] Net loss per share data: Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Antidilutive Securities, Name [Domain] Employee Stock Option [Member] Exercise of Stock Options Warrant [Member] Warrants Common Stock Warrants Liability Treatment Common Stock Warrants Liability Treatment [Member] Common stock warrants - liability treatment Common stock warrants - equity treatment. Common Stock Warrants Equity Treatment Common stock purchase warrants Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property Plant And Equipment Type [Domain] Property, Plant and Equipment, Type [Domain] Equipment [Member] Lab equipment Long lived, depreciable assets that are used in the creation, maintenance and utilization of information systems. Computer Equipment And Software [Member] Computer Equipment and Software Office Equipment [Member] Office furniture Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Property, Plant and Equipment [Line Items] Property, Plant and Equipment, Gross Total Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Property, Plant and Equipment, Useful Life Estimated Useful Lives Depreciation Represents the number of lease agreements. Number Of Lease Agreements Number of lease agreements Operating lease expense summary: Operating Lease, Cost Operating lease expense Short-term Lease, Cost Short-term lease expense Variable Lease, Cost Variable lease expense Lease, Cost Total Other information Operating Lease, Payments Operating cash flows from operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Right of use assets exchanged for new operating lease liabilities Operating Lease, Weighted Average Remaining Lease Term Weighted-average remaining lease term - operating leases Operating Lease, Weighted Average Discount Rate, Percent Weighted-average discount rate - operating leases Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Six months ended December 31, 2019 Lessee, Operating Lease, Liability, Payments, Due Year Two Year ended December 31, 2020 Lessee, Operating Lease, Liability, Payments, Due Year Three Year ended December 31, 2021 Lessee, Operating Lease, Liability, Payments, Due Year Four Year ended December 31, 2022 Lessee, Operating Lease, Liability, Payments, Due Total Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less present value discount Accounts Payable, Current Accounts payable Employee-related Liabilities, Current Compensation and benefits Accrued Professional Fees, Current Professional fees Carrying value as of the balance sheet date of Consulting agreements payable. Accrued Technology License Fees Technology license fees Represents the current portion of accrued investor relation fees. Accrued Investor Relations Fees Current Investor relations fees Other Accrued Liabilities, Current Other Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table] Share Purchase Warrants [Member] Share Purchase Warrants [Member] Common stock purchase warrants Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] Share price Stock price Agreed upon price for the exchange of the underlying asset. Fair Values Assumptions Exercise Price Exercise price Period the instrument, asset or liability is expected to be outstanding. Fair Values Assumptions Expected Term Contractual term (years) Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Fair Values Assumptions Expected Volatility Rate Volatility (annual) Risk-free interest rate assumption used in valuing an instrument. Fair Values Assumptions Risk Free Interest Rate Risk-free rate Expected dividends to be paid to holders of the underlying shares or financial instruments. Fair Values Assumptions Expected Dividend Rate Dividend yield (per share) Fair Value Hierarchy and NAV [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value Inputs Level1 [Member] Level 1 Fair Value Inputs Level2 [Member] Level 2 Fair Value Inputs Level3 [Member] Level 3 Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Fair Value Hedging [Member] Fair value hedging Derivative Liability, Fair Value, Gross Liability Warrant liability Amount of transfers between levels 1, 2 or 3 of the fair value hierarchy. Fair Value Transfers Amount Transfers between levels 1, 2 or 3 of the fair value hierarchy Class of Warrant or Right [Table] Class of Warrant or Right [Line Items] Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Balance Balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) Change in fair value of warrant liability Loss Contingency, Damages Sought, Value Class of Warrant or Right, Outstanding Number of Warrants, Ending balance Number of Warrants, Beginning balance Number of warrants exercised. Number Of Warrant Exercised For Cash Number of Warrants, Exercised for cash Number of warrants expired or cancelled. Number of Warrants, Expired or cancelled Class Of Warrant Or Rights Outstanding Weighted Average Exercise Price. Class Of Warrant Or Rights Outstanding Weighted Average Exercise Price Weighted Average Exercise Price, Ending Balance Weighted Average Exercise Price, Beginning Balance Class of warrant or rights outstanding exercised weighted average exercise price. Class Of Warrant Or Rights Outstanding Exercised Weighted Average Exercised For Cash Weighted Average Exercise Price, Exercised for cash Class of warrant or rights outstanding expired or Cancelled weighted average exercise price. Class Of Warrant Or Rights Outstanding Expired Or Cancelled Weighted Average Exercise Price Weighted Average Exercise Price, Expired or cancelled Class of warrant or right outstanding issued weighted average remaining life. Class Of Warrant Or Rights Outstanding Weighted Average Remaining Contractual Life Weighted Average Remaining Contractual Life (in years) Intrinsic value of outstanding class of warrant or right. Class Of Warrant Or Right, Outstanding, Intrinsic Value Total Intrinsic Value Common Stock Capital Shares Reserved For Future Issuance [Table] Common Stock Capital Shares Reserved For Future Issuance [Table] Common Stock Capital Shares Reserved For Future Issuance [Table] Type of Arrangement and Non-arrangement Transactions [Axis] Arrangements And Nonarrangement Transactions [Member] Arrangements and Non-arrangement Transactions [Domain] Consulting Agreements [Member] Consulting Agreements [Member] Consulting arrangements Board Compensation [Member] Board Compensation [Member] Board Compensation Class of Warrant or Right [Axis] Class Of Warrant Or Right [Domain] Class of Warrant or Right [Domain] Exercise Of Stock Warrants [Member] Exercise of stock warrants Common Stock Capital Shares Reserved For Future Issuance [Line Items] Common Stock Capital Shares Reserved For Future Issuance [Line Items] Common Stock Capital Shares Reserved For Future Issuance [Line Items] Stock Issued During Period, Shares, Issued for Services Common shares issued Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Fair value of common stock Class of Warrant or Right, Number of Securities Called by Warrants or Rights Issuance of shares of common stock Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercise price Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Research And Development Expense [Member] Research and development General And Administrative Expense [Member] General and administrative Title of Individual [Axis] Title Of Individual With Relationship To Entity [Domain] Relationship to Entity [Domain] Peter Hoang [Member] Peter Hoang Compensation cost not yet recognized Compensation cost not yet recognized, period for recognition Options, grants in period, gross Expiration period Award vesting period Incremental compensation cost Chief Development Officer Chief Development Officer [Member] Chief Development Officer Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Research And Development Arrangement Contract To Perform For Others Type [Domain] Research and Development Arrangement, Contract to Perform for Others, Type [Domain] Consulting Arrangements [Member] Consulting arrangements Amount paid to Sponsored Research Fee Payment for sponsored research fees represents consulting fees for the period Consulting fees Product and Service [Axis] Products And Services [Domain] Product and Service [Domain] Grant [Member] Grant [Member] Leasehold Improvements [Member] Leasehold Improvements Option Indexed to Issuer's Equity, Type [Axis] Option Indexed To Issuers Equity Type [Domain] Option Indexed to Issuer's Equity, Type [Domain]