XML 71 R53.htm IDEA: XBRL DOCUMENT
v3.22.4

Shareholders' Equity (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 20, 2021 | Jul. 08, 2020 USD ($) $ / shares shares | Jun. 12, 2020 $ / shares shares | Mar. 09, 2020 USD ($) $ / shares shares | Feb. 12, 2020 | Feb. 10, 2020 USD ($) $ / shares shares | Jan. 09, 2020 USD ($) $ / shares shares | May 10, 2019 | Apr. 04, 2019 USD ($) $ / shares shares | Aug. 16, 2021 USD ($) $ / shares shares | Mar. 31, 2021 USD ($) shares | Apr. 28, 2020 ₪ / shares shares | Dec. 31, 2019 shares | Sep. 30, 2019 shares | May 22, 2019 USD ($) $ / shares shares | Jan. 18, 2019 USD ($) $ / shares shares | Mar. 31, 2021 USD ($) shares | May 31, 2020 USD ($) $ / shares shares | Jun. 30, 2021 USD ($) shares | Dec. 31, 2021 ₪ / shares shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) shares | Jun. 30, 2022 ₪ / shares shares | Dec. 31, 2020 ₪ / shares | Nov. 28, 2013 ₪ / shares shares
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders equity change In ratio description |  |  |  |  |  |  |  | (1) ADS representing two (2) ordinary shares to a new ratio of one (1) ADS representing thirty (30) ordinary shares. For ADS holders, the ratio change had the same effect as a one-for-fifteen reverse ADS split. All ADS and per ADS data in the financial statements and their related notes have been retroactively adjusted for all periods presented to reflect the ratio change. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sold an aggregate shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 356,803 | 356,803 |  |  |  |
Ordinary shares issued |  |  |  | 20,250,000 |  |  |  |  |  |  |  |  | 996,690 | 19,934,355 |  |  |  | 31,000,020 |  |  |  |  |  |  |
Aggregate purchase price (in Dollars) | $ |  |  |  |  |  |  |  |  | $ 3,200 |  |  |  |  |  | $ 6,000 | $ 2,350 |  |  |  |  |  |  |  |  |
Issuance cost (in Dollars) | $ |  |  |  |  |  |  |  |  | $ 414 |  |  |  |  |  | $ 540 | $ 428 |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30 |  |  | 30 |  |
Aggregate shares |  |  |  |  |  |  | 22,278,540 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduced exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 3.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds (in Dollars) | $ |  | $ 3,400 |  | $ 1,012 |  |  | $ 2,400 |  |  |  |  |  |  |  |  |  |  | $ 1,550 | $ 68 |  | $ 75 | $ 115 |  |  |
Issue of new unregistered warrants |  | 852,750 |  |  |  |  | 22,278,540 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deemed dividend (in Dollars) | $ |  |  |  |  |  |  | $ 715 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities purchase agreement, description |  |  |  |  | the Company completed a public offering with certain institutional investors pursuant to which the Company issued and sold (i) 1,825,000 units, each unit consisting of one ADS, and one warrant to purchase one ADS, at a price of USD 1.50 per unit, and (ii) 1,508,334 pre-funded units each pre-funded unit consisting of one pre-funded warrant to purchase one ADS and one warrant, at a price of USD 1.49 per pre-funded unit. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from offering (in Dollars) | $ |  |  |  |  |  | $ 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiring date |  |  |  |  |  | Feb. 10, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase authorized capital |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Par value (in New Shekels per share) | ₪ / shares |  |  |  |  |  |  |  |  |  |  |  | ₪ 0.25 |  |  |  |  |  |  |  | ₪ 0.25 |  |  | ₪ 0.25 | ₪ 0.25 | ₪ 25
Stock issuance agreement, description |  |  | On June 12, 2020, the Company completed a registered direct offering with certain institutional and accredited investors pursuant to which it sold an aggregate of 3,902,440 ADSs at a purchase price of $2.05 per ADS for aggregate gross proceeds of approximately $8,000 prior to deducting the placement agent’s fees and estimated offering expenses payable by the Company. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate number of ADS percentage |  | 7.50% | 7.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price per ADS (in Dollars per share) | $ / shares |  | $ 2.5 | $ 2.5 |  |  |  |  |  |  | $ 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate ADS shares |  | 127,913 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  | $ 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,350,000 |  |  |  |
Total consideration amount (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  | $ 2,744 |  |  |  |  |  | $ 2,744 |  |  |  |  |  |  |  |
Fair value amount (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  | $ 68 |  |  |  |  |  | $ 68 |  |  |  |  |  |  |  |
Purchase agreement description |  |  |  |  |  |  |  |  |  | On August 16, 2021, the Company completed a registered direct offering with an institutional investor pursuant to which it sold (i) 57,000,000 ordinary shares represented by 1,900,000 ADSs, and (ii) a pre-funded warrant to purchase 93,000,000 ordinary shares represented by 3,100,000 ADSs at an offering price of $2.00 per ADS and $1.999 per pre-funded warrant, for aggregate gross proceeds of approximately $10,000 (without taking into account any proceeds from any future exercises of warrants issued in the concurrent private placement), before deducting the placement agent’s fees and other estimated offering expenses payable by the Company. The Company has also sold to the investor, in a concurrent private placement, unregistered warrants to purchase up to an aggregate of 5,000,000 ADSs. The warrants have an exercise price of $ 2.00 per ADS and are exercisable at any time upon issuance and will expire three years following the effectiveness of an initial resale registration statement registering the ADSs issuable upon the exercise of the warrants. As of the financial statements date, the Company received a total of $ 9,997 and issued 57,000,000 ordinary shares represented by 1,900,000 ADSs and 93,000,000 ordinary shares represented by 3,100,000 ADSs following the exercise of the pre-funded warrants (issuance expenses were $1,307). 17. On December 20, 2021, the Company entered into a warrant exercise agreement (the “Exercise Agreement”) with an institutional investor who is the holder of certain existing warrants to purchase Company’s ordinary shares, par value NIS 0.25 per share, represented by ADSs issued by the Company in a registered direct offering consummated in August 2021. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total received amount (in Dollars) | $ |  |  |  |  |  |  |  |  |  | $ 9,997 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  | 93,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance expenses amount (in Dollars) | $ |  |  |  |  |  |  |  |  |  | $ 1,307 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise agreement description | Pursuant to the Exercise Agreement, the holder agreed to exercise in cash its warrants to purchase up to an aggregate of 150,000,000 Ordinary Shares represented by 5,000,000 ADSs having an exercise price of $2.00 per ADS, at an exercise price of $2.00 per ADS, for gross proceeds to the Company of $10 million, prior to deducting placement agent fees and offering expenses (which amounted to $0.98 million). Under the Exercise Agreement, the Company also agreed to issue to the holder new unregistered warrants to purchase up to 180,000,000 Ordinary Shares represented by 6,000,000 ADSs (the “Private Placement Warrants”). The Private Placement Warrants will be immediately exercisable, will expire five years following the effectiveness of an initial resale registration statement registering the ADSs issuable upon the exercise of the warrants, and have an exercise price of $2.00 per ADS. Pursuant to the terms of the Exercise Agreements, the holder agreed to exercise the warrants while receiving a-120% warrants coverage, thereby creating a benefit to this warrant holder. As such, the Company recorded a deemed dividend in the amount of $ 2,590. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sold an aggregate shares |  |  |  |  |  |  |  |  | 328,205 |  |  |  |  |  | 1,500,000 | 149,206 |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  | 675,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,033,334 |  |  |  |  |  |  |
Warrants to purchase additional shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 149,206 |  |  |  |  |  |  |  |  |
Warrant exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19.5 |  |  |  |  |  |  |  |  |
Purchase aggregate warrant |  |  |  |  |  |  |  |  | 328,205 |  |  |  |  |  | 1,500,000 | 7,460 |  |  |  |  |  |  |  |  |
Exercise prices (in Dollars per share) | $ / shares |  |  | $ 2.5 |  |  | $ 1.875 |  |  | $ 12.9 |  |  |  |  |  | $ 4 |  |  |  |  |  |  |  |  |  |
Aggregate warrant purchased |  |  | 292,683 |  |  |  |  |  | 16,410 | 5,000,000 |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |
Aggregate shares |  |  |  |  |  |  | 742,618 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of new unregistered warrants |  | 1,705,000 | 1,951,220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price subject to adjustment (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 3.45 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation warrant exercisable |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in Dollars per share) | $ / shares |  |  |  | $ 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.5 |  |  |  |  |  |  |
Exercise price per ADS (in Dollars per share) | $ / shares |  | $ 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  | 1,900,000 | 35,000 |  |  |  |  |  | 1,697,561 |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  | 3,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sold an aggregate shares |  |  |  |  |  |  |  |  | 9,846,156 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  |  |  |  | 9,846,156 |  |  |  |  |  | 45,000,000 | 4,476,192 |  |  | 1,050,000 |  | 1,350,000 | 996,690 |  |  |
Warrants to purchase additional shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,476,192 |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  |  |  |  | 492,308 |  |  |  |  |  | 45,000,000 | 223,810 |  |  |  |  |  |  |  |  | 2,500,000
Ordinary shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |
Gross proceeds (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80 |  | $ 100 | $ 72 |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  | 57,000,000 | 1,050,000 |  |  |  |  |  | 50,926,830 |  |  | 1,050,000 |  |  |  |  |
Minimum [Member] | ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise prices (in Dollars per share) | $ / shares |  |  |  |  |  |  | 12.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise prices (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 78.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Private Placement Warrants [Member] | ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issue of new unregistered warrants |  |  |  |  |  |  | 742,618 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition aggregate number of ADS. + References No definition available. + Details
Name: | canf_AggregateNumberOfADS
Namespace Prefix: | canf_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate purchase price. + References No definition available. + Details
Name: | canf_AggregatePurchasePrice
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate warrant purchased. + References No definition available. + Details
Name: | canf_AggregateWarrantPurchased
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition compensation warrants exercisable. + References No definition available. + Details
Name: | canf_CompensationWarrantsExercisable
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Deemed dividend. + References No definition available. + Details
Name: | canf_DeemedDividend
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | canf_ExerciseAgreementDescription
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price. + References No definition available. + Details
Name: | canf_ExercisePrice
Namespace Prefix: | canf_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price Subject to adjustment. + References No definition available. + Details
Name: | canf_ExercisePriceSubjectToAdjusment
Namespace Prefix: | canf_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrant, Exercise Price, Decrease. + References No definition available. + Details
Name: | canf_ExercisePrices
Namespace Prefix: | canf_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value amount. + References No definition available. + Details
Name: | canf_FairValueAmount
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Increase authorized Share Capital. + References No definition available. + Details
Name: | canf_IncreaseAuthorizedShareCapital
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Issuance expenses amount. + References No definition available. + Details
Name: | canf_IssuanceExpensesAmount
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Issue of New Unregistered Warrants. + References No definition available. + Details
Name: | canf_IssueOfNewUnregisteredWarrants
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ordinary shares. + References No definition available. + Details
Name: | canf_OrdinaryShares
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | canf_PurchaseAgreementDescription
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Securities Purchase Agreement, Description. + References No definition available. + Details
Name: | canf_SecuritiesPurchaseAgreementDescription
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References No definition available. + Details
Name: | canf_ShareIssued
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | canf_ShareholdersEquityDetailsLineItems
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stock issuance agreement description. + References No definition available. + Details
Name: | canf_StockIssuanceAgreementDescription
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Stockholders Equity Change In Ratio Description. + References No definition available. + Details
Name: | canf_StockholdersEquityChangeInRatioDescription
Namespace Prefix: | canf_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total consideration amount. + References No definition available. + Details
Name: | canf_TotalConsiderationAmount
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total received amount. + References No definition available. + Details
Name: | canf_TotalReceivedAmount
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Warrants to purchase additional shares issued. + References No definition available. + Details
Name: | canf_WarrantsToPurchaseAdditionalSharesIssued
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants to purchase aggregate shares. + References No definition available. + Details
Name: | canf_WarrantsToPurchaseAggregateShares
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date the warrants or rights are exercisable, in YYYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRighstDateFromWhichWarrantsOrRightsExercisable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockParOrStatedValuePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from the issuance of equity classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromOtherEquity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The number of shares issued or sold by the subsidiary or equity method investee per stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 + Details
Name: | us-gaap_SharesIssued
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesIssuedForServices
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares of stock issued attributable to transactions classified as other. + References No definition available. + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_StockIssuedDuringPeriodValueNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Per share increase in exercise price of option. Excludes change due to standard antidilution provision and option granted under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_StockOptionExercisePriceIncrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Per share decrease in exercise price of warrant. Excludes change due to standard antidilution provision. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
Name: | us-gaap_WarrantExercisePriceDecrease
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=canf_ADSMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |