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Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Consolidated Balance Sheets Assets [Abstract] Assets Assets, Current [Abstract] CURRENT ASSETS Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Restricted Cash, Current Restricted cash Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property and equipment, net Deferred Offering Costs Deferred offering costs Other Assets, Noncurrent Other assets Assets TOTAL ASSETS Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities, Current [Abstract] LIABILITIES Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Total Liabilities, Current Total current liabilities Carrying value as of the balance sheet date of obligations incurred through that date and due beyond one year (or beyond one operating cycle if longer) for milestone and royalty payments. Accrued Milestone and Royalty Payments, Noncurrent Accrued milestone and royalty payments Liabilities TOTAL LIABILITIES Commitments and Contingencies Commitments and contingencies (Note 6) Stockholders' Equity Attributable to Parent [Abstract] STOCKHOLDERS’ EQUITY Preferred Stock, Value, Issued Preferred stock, $0.0001 par value, 5,500,000 shares authorized at September 30, 2018 and December 31, 2017; None issued at September 30, 2018 and December 31, 2017 Common Stock, Value, Issued Common stock, $0.0001 par value, 100,000,000 and 50,000,000 shares authorized at September 30, 2018 and December 31, 2017, respectively; 34,193,666 and 26,749,666 shares issued at September 30, 2018, and December 31, 2017, 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 Accumulated deficit Stockholders' Equity Attributable to Parent Balance at the end of period Balance at the beginning of period 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, authorized shares Preferred Stock, Shares Issued Preferred stock, shares issued Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, authorized shares Common Stock, Shares, Issued Common stock, shares issued Consolidated Statements of Net Loss and Comprehensive Loss Operating 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 Other Nonoperating Income (Expense) [Abstract] OTHER INCOME/(EXPENSES) Other Nonoperating Income (Expense) Other income (expenses) Net Income (Loss) Attributable to Parent Net loss NET LOSS Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income/(loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation Comprehensive Income (Loss), Net of Tax, Attributable to Parent COMPREHENSIVE LOSS Earnings Per Share, Basic and Diluted Net loss per share attributable to common stockholders, basic and diluted Basic and diluted net loss per share Weighted Average Number of Shares Outstanding, Basic and Diluted Weighted average common shares outstanding, basic and diluted Weighted average common shares outstanding, basic and diluted Consolidated Statements of Changes in Stockholders’ Equity Statement [Table] Statement [Line Items] Income taxes Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity Common Stock, Shares, Outstanding Balance at the end of period (shares) Balance at the beginning of period (in shares) Issuance of shares of common stock, net of issuance costs Issuance of common stock in initial public offering, net of issuance costs Stock Issued During Period, Shares, New Issues Issuance of common stock (in shares) Shares issued Equity impact of the value of new stock issued to strategic partner during the period. Stock Issued During Period, Value, New Issues To Strategic Partner Issuance of common stock to strategic partner Number of new stock issued to the strategic partner during the period. Stock Issued During Period, Shares, New Issues To Strategic Partner Issuance of common stock to strategic partner (in shares) Stock Issued During Period, Value, Issued for Services Issuance of common stock to nonemployees Stock Issued During Period, Shares, Issued for Services Issuance of common stock to nonemployees (in shares) Adjustments to Additional Paid in Capital, Share-based Compensation, Stock Options, Requisite Service Period Recognition Stock-based compensation expense Other comprehensive loss, net of tax Other comprehensive income Consolidated Statements of Cash Flows 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, Depletion and Amortization Depreciation and amortization Share-based Compensation. Stock-based compensation Amount of expense related to the stock issuance in connection with the strategic partner. NonCash Stock Issuance Costs To Strategic Partner Non-cash expense in connection with equity issuance to strategic partner Foreign Currency Transaction Gain (Loss), before Tax Foreign currency transactions Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Other Current Assets Other current assets Increase (Decrease) in Other Noncurrent Assets Other assets Increase (Decrease) in Accounts Payable Accounts payable The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid and other liabilities. Increase (Decrease) In Accrued Liabilities And Other Accrued liabilities and other 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 Proceeds from Issuance of Common Stock Proceeds from issuance of common stock, net of issuance costs Payments of Stock Issuance Costs Payment of offering costs for private placement Net Cash Provided by (Used in) Financing Activities NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Effect of exchange rates on cash and cash equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect NET INCREASE IN CASH AND CASH EQUIVALENTS Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at the end of period Cash, cash equivalents and restricted cash at the beginning of period Noncash Investing and Financing Items [Abstract] SUPPLEMENTAL DISCLOSURE OF NONCASH FINANCING ACTIVITIES The amount of common stock issuance costs that were incurred during a noncash or partial noncash transaction, included in accounts payable. Noncash or Partial Noncash Transaction, Common Stock Issuance Cost Included In Accounts Payable Common stock issuance cost in accounts payable The amount of deferred offering costs that were incurred during a noncash or partial noncash transaction, included in other assets and accounts payable and accrued liabilities and other . Noncash or Partial Noncash Transaction, Deferred Offering Costs Included In Other Assets And Accounts Payable And Accrued Liabilities And Other Deferred offering costs included in other assets and accounts payable and accrued liabilities and other NA ORGANIZATION AND DESCRIPTION OF BUSINESS Nature of Operations [Text Block] ORGANIZATION AND DESCRIPTION OF BUSINESS NA BASIS OF PRESENTATION Basis of Accounting [Text Block] BASIS OF PRESENTATION SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES EARNINGS (LOSS) PER SHARE Earnings Per Share [Text Block] EARNINGS (LOSS) PER SHARE ACCRUED LIABILITIES Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED LIABILITIES No definition available. LICENSE AGREEMENTS AND COMMITMENTS Collaborative Arrangement Disclosure [Text Block] LICENSE AGREEMENTS AND COMMITMENTS STOCKHOLDERS’ EQUITY Stockholders' Equity Note Disclosure [Text Block] STOCKHOLDERS’ EQUITY SHARE-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK OPTIONS RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] RELATED PARTY TRANSACTIONS INCOME TAXES Income Tax Disclosure [Text Block] INCOME TAXES No definition available. OTHER BENEFITS The entire disclosure for other benefits including retirement benefits and health insurance benefits. Other Benefits Disclosure [Text Block] OTHER BENEFITS Use of Estimates, Policy [Policy Text Block] Use of Estimates Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash, Cash Equivalents, and Restricted Cash Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Impairment of Long-Lived Assets Deferred Charges, Policy [Policy Text Block] Deferred Offering Costs Income Tax, Policy [Policy Text Block] Income Taxes Research and Development Expense, Policy [Policy Text Block] Research and Development Costs Disclosure of accounting policy for patent costs. Patent Costs [Policy Text Block] Patent Costs Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Stock-Based Compensation Segment Reporting, Policy [Policy Text Block] Segment Information Comprehensive Income, Policy [Policy Text Block] Comprehensive Loss Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Property, Plant and Equipment [Table Text Block] Schedule of property and equipment Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of basic and diluted net loss per share Schedule of Accrued Liabilities [Table Text Block] Summary of accrued short-term liabilities Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock Options Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of common stock options issued and outstanding Number of product development programs for which entity has obtained exclusive rights. Number Of Product Development Programs Number of product development programs for which entity has obtained exclusive rights Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Property and Equipment Property, Plant and Equipment, Useful Life Estimated Useful Life Carrying value as of the balance sheet date of deferred offering costs included in accounts payable and accrued liabilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accounts Payable and Accrued Liabilities, Current, Deferred Offering Costs Deferred offering costs included in accounts payable and accrued liabilities Number of Operating Segments Number of operating segments Provision associated with tax on global intangible low-taxed income (GILTI). Tax Cuts and Jobs Act of 2017, GILTI Provision GILTI cost during period Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] EARNINGS (LOSS) PER SHARE Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities outstanding Accrued Liabilities, Current [Abstract] Accrued short term liabilities Carrying value as of the balance sheet date of obligations incurred through that date and payable for milestone payments. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Milestone Payments Current Accrued milestone payments Accrued milestone payments, current Carrying value as of the balance sheet date of obligations incurred through that date and payable for clinical costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Clinical Costs Current Accrued clinical costs Carrying value as of the balance sheet date of obligations incurred through that date and payable for compensation and board fees. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Compensation And Board Fees Current Accrued compensation and board fees Other Accrued Liabilities, Current Other Represents the number of license agreements. Number of License Agreements Number of license agreements Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions [Table] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Agreements Issuance of common stock Represents the annual minimum royalties payable from fifth anniversary under collaborative arrangement. Collaborative Arrangement Annual Minimum Royalties Payable from Fifth Anniversary Annual minimum royalties payable from fifth anniversary Royalty Expense Expensed minimum royalty payments Represents the clinical milestone payments potentially due under collaborative arrangement. Collaborative Arrangement, Clinical Milestone Payments Due Clinical milestones potentially due Represents the regulatory milestone payments potentially due under collaborative arrangement. Collaborative Arrangement, Regulatory Milestone Payments Due Regulatory milestones potentially due Represents the sales based milestones payments potentially due under collaborative arrangement. Collaborative Arrangement, Sales Based Milestone Payments Due Sales-based milestones potentially due Amount charged for clinical milestone expense during the period under collaborative arrangement. Collaborative Arrangement, Clinical Milestone Expense Clinical milestone expense Amount paid during the period for clinical milestones under collaborative arrangement. Collaborative Arrangement, Clinical Milestone Payment Clinical milestone payment Carrying value as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer) for milestone payments. Accrued Milestone Payments, Noncurrent Accrued milestone payments, noncurrent Represents the annual minimum royalties payable under collaborative arrangement. Collaborative Arrangement Annual Minimum Royalties Payable Annual minimum royalties payable Represents the annual minimum royalties payable from tenth anniversary under collaborative arrangement. Collaborative Arrangement Annual Minimum Royalties Payable from Tenth Anniversary Annual minimum royalties payable from tenth anniversary Represents the payment of license fee under collaborative arrangement. Collaborative Arrangement License Fee Paid License fee paid Represents the additional license fee payable at first anniversary under collaborative arrangement. Collaborative Arrangement Additional License Fee Payable At First Anniversary Additional license fee payable at first anniversary Amount charged for license fee expense during the period under collaborative arrangement. Collaborative Arrangement, License Fee Expense License fee expense Represents the development milestone payments due under collaborative arrangement. Collaborative Arrangement, Development Milestone Payments Due Development milestone payments due Represents the research service period under collaborative arrangement. Collaborative Arrangement Research Service Period Research service period Represents the number of core facility service agreements. Number of Core Facility Service Agreements Number of core facility service agreements Represents the number of full-time employees under collaborative arrangement. Collaborative Arrangement Number of Full Time Employees Number of full-time employees Lessee, Operating Lease, Term of Contract Lease term Amount of fixed rent payable per annum under the terms of the lease agreement. Fixed Rent Payable, Per Annum Fixed rent payable per annum Represents the amount of lease payable per month. Lease Payable Per Month Lease payable per month The maximum number of common and preferred shares permitted to be issued by an entity's charter and bylaws. Total Shares Authorized Total shares authorized Preferred Stock, No Par Value Preferred stock, par value Number of votes per common share. Number Of Votes Per Common Stock Number of votes per common share The maximum amount of equity financing for anti-dilution rights under the terms of the agreement. License Agreement, Threshold Equity Maximum amount of equity financing for anti-dilution rights Ownership percentage of the issued and outstanding shares of common stock to be held prior to entity reaching equity financing threshold under the terms of the agreement. License Agreement, Threshold Ownership Percentage Of Common Stock Ownership percentage of the issued and outstanding shares of common stock to be held prior to entity reaching equity financing threshold Shares Issued, Price Per Share Share price (in dollars per share) The value of share issuance charged to expenses under the license agreement. License Agreement, Value Of Share Issuance Charged To Expenses Share issuance charged to expenses The total number of shares agreed to be issued to non-employees under the stock grant agreements. Stock Grant Agreements, Total Shares Agreed To Be Issued Shares agreed to be issued Number of non-employee physicians with whom the entity entered into stock grant agreement and are employees of strategic partner. Number Of Non Employee Physicians Number of non-employee physicians Stock Repurchased and Retired During Period, Shares Shares repurchased and retired Represents the estimated fair value of shares repurchased and retired, in dollars per share. Estimated Fair Value Of Stock Repurchased And Retired Estimated fair value of stock repurchased and retired (in dollars per share) Stock Repurchased and Retired During Period, Value Reduction in equity Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Granted (in shares) Options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Vesting (as a percent) Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Term of award Common Stock, Capital Shares Reserved for Future Issuance Shares reserved for issuance pursuant to the plan