Document and Entity Information Document Type Document Quarterly Report Document Transition Report Document Period End Date Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Current Reporting Status Entity Interactive Data Current 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 INTERIM 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 Short-term Investments Short-term deposit (Note 4) Nontrade Receivables, Current Other accounts receivable Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets (Note 5) Assets, Current Total current assets Assets, Noncurrent [Abstract] Long-Term Assets: Prepaid Expense and Other Assets Prepaid expenses and other long-term assets Operating Lease, Right-of-Use Asset Operating lease right of use asset (Note 6) Property, Plant and Equipment, Net Property and Equipment, Net Other Assets, Noncurrent Total Long-Term Assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY (DEFICIT) Liabilities, Current [Abstract] Current Liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued expenses Operating Lease, Liability, Current Operating lease liability (Note 6) The amount represents the other accounts payable current. Other Accounts Payable Current Other accounts payable Liabilities, Current Total current liabilities Liabilities, Noncurrent [Abstract] Long-Term Liabilities: Operating Lease, Liability, Noncurrent Operating lease liability (Note 6) Liabilities, Noncurrent Total long-term liabilities Liabilities Total liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity (deficit): Common Stock, Value, Issued Stock capital: (Note 7) Common Stock of $0.00005 par value - Authorized: 100,000,000 shares at September 30, 2020 and December 31, 2019 respectively; Issued and outstanding: 31,567,592 and 23,174,228 shares at September 30, 2020 and December 31, 2019 respectively. Additional Paid in Capital, Common Stock Additional paid-in-capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent Balance Balance Total stockholders' equity (deficit) Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares Authorized Common Stock, Shares, Issued Common stock, shares Issued Common Stock, Shares, Outstanding Common stock, shares outstanding INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (UNAUDITED) Operating Expenses [Abstract] Operating expenses: Research and Development Expense Research and Development Expense Research and development, net General and Administrative Expense General and administrative Operating Income (Loss) Operating loss Amount of financial expenses (income), net during the period. Financial Expenses Income Net Financial expenses (income), net Net Income (Loss) Attributable to Parent Net loss Net loss Income (Loss) from Continuing Operations, Per Basic and Diluted Share Basic and diluted net loss per share from continuing operations Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average number of shares outstanding used in computing basic and diluted net loss per share STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY Shares, Outstanding Balance (in shares) Balance (in shares) Stock Granted, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation related to warrants and stock granted to service providers Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Stock-based compensation related to warrants and stock granted to service providers (in shares) Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Stock-based compensation related to stock and options granted to directors and employees Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Stock-based compensation related to stock and options granted to directors and employees (in shares) Represents the information pertaining to issuance under at the market. Issuance Of Shares At The Market Issuance of shares in at-the-market (ATM) offering (Note 7) Represents the information pertaining to issuance under at the market. Issuance Of Share Value Issuance of shares in at-the-market (ATM) offering (Note 7) (in shares) Stock Issued During Period, Value, New Issues Aggregate offering amount Issuance of shares and warrants in Registered Direct Offering (Note 7) Stock Issued During Period, Shares, New Issues Aggregate shares sold Issuance of shares and warrants in Registered Direct Offering (Note 7) (in shares) Value of stock issued in lieu of exercise and re-issuance of warrants. Stock Issued During Period Value Exercise And Reissuance Of Warrants Exercise and reissuance of warrants Number of stock issued in lieu of exercise and re-issuance of warrants. Stock Issued During Period Share Exercise And Reissuance Of Warrants Exercise and reissuance of warrants (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Amount of options, Exercised Exercise of options (in shares) Value of stock issued during the period as a result of exercise of warrants Stock Issued During Period, Value, Exercise Of Warrants Exercise of warrants Number of shares issued during the period as a result of exercise of warrants Stock Issued During Period, Shares, Exercise Of Warrants Exercise of warrants (in shares) INTERIM CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss 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 Depreciation Issuance of Stock and Warrants for Services or Claims Shares and options granted to service providers Stock or Unit Option Plan Expense Stock-based compensation related to options granted to employees and directors This represents Increase (decrease) in operating lease liability. Increase (Decrease) in Operating Lease Liability Changes in operating lease liability The increase (decrease) during the reporting period in accounts receivable and prepaid expenses. Increase Decrease In Accounts Receivable and Prepaid Expenses Decrease (increase) in other accounts receivable and prepaid expenses Increase (Decrease) in Accounts Payable, Trade Increase (decrease) in trade payables Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Increase (decrease) in other accounts payable and accrued expenses Net Cash Provided by (Used in) Operating Activities Total 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 Payments for (Proceeds from) Investments Changes in short-term deposit Net Cash Provided by (Used in) Investing Activities Total net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from Stock Options Exercised Proceeds from exercise of options Amount of cash inflow from at the market. Proceeds From At The Market Proceeds from issuance of shares in at-the-market (ATM) offering (Note 7) The cash inflow associated with the amount received from holders exercising their stock warrants, net of issuance expenses. Proceeds From Warrant Exercises Net Proceeds from exercise of warrants The amount represents exercise and reissuance of warrants. Exercise And Reissuance of Warrants Exercise and reissuance of warrants Proceeds from Warrant Exercises Proceeds from issuance of shares and warrants in Registered Direct Offering (Note 7) Net Cash Provided by (Used in) Financing Activities Total net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents at end of the period Cash and cash equivalents at the beginning of the period GENERAL Business Description and Basis of Presentation [Text Block] GENERAL BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES RESEARCH AND LICENSE AGREEMENT The entire disclosure on research and license agreement entered by the entity. Research and License Agreement [Text Block] RESEARCH AND LICENSE AGREEMENT SHORT TERM DEPOSITS The entire disclosure of the components short-term deposits. Short Term Deposits Disclosure [Text Block] SHORT TERM DEPOSITS PREPAID EXPENSES The entire disclosure for Prepaid Expenses. Prepaid Expenses Disclosures [Text Block] PREPAID EXPENSES LEASES Lessee, Operating Leases [Text Block] LEASES STOCK CAPITAL Stockholders' Equity Note Disclosure [Text Block] STOCK CAPITAL RESEARCH AND DEVELOPMENT, NET Research, Development, and Computer Software Disclosure [Text Block] RESEARCH AND DEVELOPMENT, NET SUBSEQUENT EVENTS Subsequent Events [Text Block] SUBSEQUENT EVENTS Disclosure of accounting policy unaudited interim financial statements. Unaudited Interim Financial Statements Policy [Text Block] Unaudited Interim Financial Statements Significant Accounting Policies [Text Block] Significant Accounting Policies New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Standards Use of Estimates, Policy [Policy Text Block] Use of estimates Lease, Cost [Table Text Block] Schedule of supplemental cash flow information related to operating leases Lessee, Operating Lease, Liability, Maturity [Table Text Block] Schedule of future lease payments under operating leases Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of fair value assumptions used for the stock options granted Share-based Compensation, Stock Options, Activity [Table Text Block] Summary of the Company's option activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of compensation expense for restricted stock is based on fair market value at the grant date Tabular disclosure includes the number and weighted-average issue prices for warrants issued to services providers that were outstanding at the beginning and end of the year, and issued during the year. Schedule Stock Awards Activity Related To Service Providers [Table Text Block] Schedule of total stock-based compensation expense Tabular disclosure of research and development. Research and Development Disclosure [Table Text Block] Schedule of Research and development, Net This element represents the percentage of all net sales royalty that the company will pay if the making, producing, manufacturing, using, marketing, selling, importing or exporting of such Licensed Product is covered by a Valid Claim or is covered by Orphan Drug Status. Percentage Of Royalty Payment If Licensed Product Covered By Valid Claim Or Orphan Drug Status Percentage Of Royalty Payment If Licensed Product Covered By Valid Claim Or Orphan Drug Status This element represents the percentage of all net sales royalty that the company will pay if the making, producing, manufacturing, using, marketing, selling, importing or exporting of such Licensed Product is not covered by a Valid Claim or is not covered by Orphan Drug Status. Percentage Of Royalty Payment If Licensed Product Not Covered By Valid Claim Or Orphan Drug Status This element represents the validity of the royalties' payments by the company not covered by a Valid Claim or Orphan Drug Status. Validity Of Royalty Payment Not Covered By Valid Claim Or Orphan Drug Status Range [Axis] Range [Member] Range [Domain] Minimum [Member] Minimum Maximum [Member] Maximum Cash and Cash Equivalents [Line Items] Investment Interest Rate Annual interest rate on bank deposits Period of time for the maturity of short term investments. Maturity Of Interest Bearing Bank Deposits Maturity of short term deposits Legal Entity [Axis] Entity [Domain] Entity [Domain] City Of Hope [Member] City of Hope Payments to Suppliers Prepaid Expense, Current Operating Lease, Payments Cash payments for operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability New operating lease assets obtained in exchange for operating lease liabilities Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year Remainder of 2020 Lessee, Operating Lease, Liability, to be Paid, Year One 2021 Lessee, Operating Lease, Liability, Payments, Due Total future lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less imputed interest Operating Lease, Liability Total lease liability balance Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Operating leases Operating Lease, Weighted Average Remaining Lease Term Operating Lease, Weighted Average Discount Rate, Percent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Option life (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk free interest rate(min) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk free interest rate(max) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected volatility(min) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Expected volatility(max) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Expected life (years) Award Type [Axis] Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain] Equity Award [Domain] Employee Stock Option [Member] Employee Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Amount of options, Outstanding at end of period Amount of options, Outstanding at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Amount of options, Granted Options granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Amount of options, Cancelled Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Amount of options, Vested and expected-to-vest at end of period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price, Outstanding at end of period (in dollars per share) Weighted average exercise price, Outstanding at beginning of period (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price, Granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, Exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted Average exercise Price, Cancelled (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted average exercise price, Vested and expected-to-vest at end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value, Outstanding at end of period (in dollars) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value, Vested and expected-to-vest at end of period (in dollars) Restricted Stock [Member] Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Number of Shares of Restricted Stock, Nonvested at end of period Number of Shares of Restricted Stock, Nonvested at beginning of period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted