Equity Components [Axis] Common Stock [Member] Additional Paid-in Capital [Member] Treasury Stock [Member] Retained Earnings [Member] Cash and Cash Equivalents [Axis] Money Market Funds [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Other Money Market Funds [Member] US Treasury Securities [Member] Marketable Securities [Member] Convertible Loan Investment [Member] Award Type [Axis] 2013 Through March 31, 2021 [Member] Research and Development Arrangement, Contract to Perform for Others, Type [Axis] Israeli Innovation Authority [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] Related Party [Axis] Technion Research and Development Foundation Limited [Member] Series [Axis] CardioSert Ltd [Member] Israel, New Shekels Collaborative Arrangement and Arrangement Other than Collaborative [Axis] At-the-Market Offering Agreement [Member] H.C. Wainwright & Co. LLC [Member] Securities Purchase Agreement [Member] Alliance Investment Management, Ltd. [Member] Title of Individual [Axis] Joseph Mona [Member] Mr. Harel Gadot [Member] Income Statement Location [Axis] General and Administrative Expense [Member] Research and Development Expense [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement of Financial Position [Abstract] ASSETS Current assets: Cash and cash equivalents Marketable securities Restricted cash Prepaid expenses and other assets Total current assets Property and equipment, net Operating right-of-use assets Total assets LIABILITIES AND STOCKHOLDERS’ EQUITY Current liabilities: Accounts payable Lease liabilities Accrued liabilities Total current liabilities Non-current liabilities: Long-term lease liabilities Total liabilities Commitments and contingencies Stockholders’ equity: Common stock; $0.01 par value; 60,000,000 shares authorized as of September 30, 2021 and December 31, 2020, 7,108,133 shares issued and outstanding as of September 30, 2021 and December 31, 2020 Additional paid-in capital Accumulated deficit Total stockholders’ equity Total liabilities and stockholders’ equity Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Research and development General and administrative Operating loss Financing expenses, net Net loss Basic and diluted net loss per share Basic and diluted weighted average common shares outstanding Statement [Table] Statement [Line Items] Balances Balance, shares Exercise of options Exercise of options,shares Cancellation of treasury Common Stock Cancellation of treasury Common Stock,shares Share-based compensation Net loss Balances Balance, shares Statement of Cash Flows [Abstract] Operating activities: Adjustments to reconcile net loss to net cash flows from operating activities: Depreciation and amortization Non-cash and accrued interest Share-based compensation expense Changes in assets and liabilities: Prepaid expenses and other assets Other payables and accrued liabilities Net cash flows from operating activities Investing activities: Purchases of property and equipment Investment in convertible loan Proceeds from sales of investment Proceeds from sales of marketable security Net cash flows from investing activities Financing activities: Repayment of shareholders investment Net cash flows from financing activities Decrease in cash, cash equivalents and restricted cash Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Supplemental disclosure of cash flow information: Interest paid from litigation Cash received from interest Right-of-use asset and lease liability Organization, Consolidation and Presentation of Financial Statements [Abstract] GENERAL Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Leases LEASES Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Equity [Abstract] SHARE CAPITAL Fair value of financial instruments: Contingencies Recently issued accounting pronouncements SCHEDULE OF FINANCIAL ASSETS AND LIABILITIES FAIR VALUE MEASUREMENTS SCHEDULE OF SUPPLEMENTAL CASH FLOW INFORMATION RELATED TO OPERATING LEASES SCHEDULE OF MATURITIES OF LEASE LIABILITIES SCHEDULE OF SUPPLEMENTAL INFORMATION RELATED TO LEASES Unrestricted cash and cash equivalent Schedule of Cash and Cash Equivalents [Table] Cash and Cash Equivalents [Line Items] Assets, fair value Schedule Of Supplemental Cash Flow Information Related To Operating Leases Cash payments for operating leases Schedule Of Maturities Of Lease Liabilities 2021(Remainder of the year) 2022 2023 2024 Total future lease payments Less imputed interest Total lease liability balance Operating lease right of use asset Operating lease - current Operating lease - non-current Total Operating lease liability Operating leases weighted average remaining lease term (in years) Operating leases weighted average discount rate Loss Contingencies [Table] Loss Contingencies [Line Items] Total grants obtained Royalties payable as percentage of future sales Initial payment Number of common shares acquired Number of common shares acquired, value Investments Buy back amount per patent Monthly consultation fee Monthly consultation fee in USD Currency exchange rate, description Common stock par value Offering costs Settlement amount Number of post-stock split shares returned Purchase price of plaintiffs Litigation settlement Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Number of stock options granted Weighted-average exercise price per share, granted Stock option vested term Stock-based employee compensation Cancellation of treasury shares. Stock Cancellation Shares Of Treasury Shares. Non Cash And Accrued Interest. Proceeds From Sale Maturity And Collections Of Investments Excluding Marketable Securities. Repayment Of Share holders Investment. Interest Paid From Litigation. Supplemental Cash Flow Information Related To Operating Leases [Table Text Block]. Supplemental Information Related To Leases [Table Text Block]. Unrestricted cash and cash equivalent. Other Money Market Funds [Member] Marketable Securities [Member] Convertible Loan Investment [Member] 2013 Through March 31, 2020 [Member] Israeli Innovation Authority [Member] Net sales royalty percentage. Technion Research And Development Foundation Limited [Member] CardioSert Ltd [Member] Buy back amount per patent. Monthly consultation fee in USD. Currency exchange rate, description. At-the-Market Offering Agreement [Member] H.C. Wainwright & Co. LLC [Member] Offering costs. Securities Purchase Agreement [Member] Number of post-stock split shares returned. Alliance Investment Management, Ltd. [Member] Joseph Mona [Member] Mr. Harel Gadot [Member] Assets, Current Assets Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Operating Income (Loss) Shares, Outstanding Increase (Decrease) in Prepaid Expense and Other Assets Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment Payments to Acquire Other Investments Net Cash Provided by (Used in) Investing Activities RepaymentOfShareholdersInvestment Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Lessee, Operating Lease, Liability, to be Paid Lessee, Operating Lease, Liability, Undiscounted Excess Amount