XML 68 R49.htm IDEA: XBRL DOCUMENT
v3.23.1

Shareholders' Equity (Details) |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 08, 2020 USD ($) $ / shares shares | Jun. 12, 2020 USD ($) $ / shares shares | Mar. 09, 2020 USD ($) $ / shares shares | Feb. 12, 2020 USD ($) $ / shares shares | Jan. 09, 2020 USD ($) $ / shares shares | Jan. 09, 2020 USD ($) $ / shares shares | Dec. 20, 2021 USD ($) $ / shares shares | Aug. 16, 2021 USD ($) $ / shares shares | Mar. 31, 2021 USD ($) shares | Feb. 28, 2021 USD ($) shares | Dec. 31, 2020 shares | May 31, 2020 USD ($) $ / shares shares | Apr. 30, 2020 USD ($) $ / shares shares | Apr. 28, 2020 ₪ / shares shares | Dec. 31, 2022 $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) shares | Feb. 22, 2023 ₪ / shares | Nov. 28, 2013 shares
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Par value (in New Shekels per share) | (per share) |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 5,000,000,000 |  |  |  |  |
Purchase aggregate warrant |  |  |  |  |  |  |  |  |  |  | 228,192,286 |  |  |  | 375,197,640 | 377,947,640 | 228,192,286 |  |
Exercise price (in Dollars per share) | $ / shares | $ 0.08 | $ 0.08 |  |  |  | $ 0.11 |  | $ 0.07 |  |  |  |  |  |  |  |  |  |  |
Ordinary share issued per share (in Dollars) | $ |  |  |  |  | $ 2.625 | $ 2.625 |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance cost (in Dollars) | $ |  |  |  |  |  | 0.1 |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds (in Dollars) | $ | $ 3,400,000 | $ 8,000,000 | $ 1,012,000 |  |  | $ 2,400,000 | $ 10,000,000 | $ 10,000,000 |  |  |  | $ 1,550,000 | $ 1,550,000 |  |  |  | $ 75,000 |  |
Issue of new unregistered warrants | 25,582,500 |  |  |  |  | 22,278,540 |  |  |  |  |  |  |  |  |  |  |  |  |
Deemed dividend (in Dollars) | $ |  |  |  |  |  | $ 715,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Securities purchase agreement, description |  |  |  | the Company completed a public offering with certain institutional investors pursuant to which the Company issued and sold (i) 54,750,000 units, each unit consisting of one Ordinary share, and one warrant to purchase one Ordinary share, at a price of $ 0.05 per unit, and (ii) 45,250,020 pre-funded units each pre-funded unit consisting of one pre-funded warrant to purchase one Ordinary share and one warrant, at a price of $ 0.05 per pre-funded unit. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from offering (in Dollars) | $ |  |  |  | $ 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expiring date |  |  |  | Feb. 10, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  | 20,250,000 |  |  |  |  |  | 1,050,000 |  |  |  |  |  |  |  |  |  |
Increase authorized capital |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000,000 |  |  |  |  |
Aggregate warrant |  |  |  |  |  |  |  |  |  |  |  | 31,000,020 | 31,000,020 |  |  |  |  |  |
Sold an aggregate shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,947 | 5,947 |  |  |
Aggregate number of ADS percentage | 7.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase aggregate ADS shares | 3,837,390 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares | $ 0.08 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  |  |  |  |  | 1,350,000 |  |  |  |  | 93,000,000 |  |  |
Total consideration amount (in Dollars) | $ |  |  |  |  |  |  |  |  | $ 2,744,000 | $ 2,744,000 |  |  |  |  |  |  |  |  |
Exchange services (in Dollars) | $ |  |  |  |  |  |  |  |  | $ 68,000 |  |  |  |  |  |  |  |  |  |
Offering price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.07 |  |  |  |  |  |  |  |  |  |  |
Pre-funded warrant (in Dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.06 |  |  |  |  |  |  |  |  |  |  |
Aggregate number of ADS percentage (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,997,000 |  |  |
Issuance expenses (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,307,000 |  |  |
Ordinary shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 |  |  |  |
Initial exercise price per share (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.07 |  |  |  |
Stock issuance agreement, description |  |  |  |  |  |  | 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 in a registered direct offering consummated in August 2021. |  |  |  |  |  |  |  |  |  |  |  |
Aggregate shares |  |  |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Exercise agreement description |  |  |  |  |  |  | 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 $0.07 per Ordinary share. The Company also paid $875 in placement agent fees and issued unregistered placement agent warrants to purchase 10,500,000 Ordinary shares on the same terms as the warrant. 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] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase aggregate warrant |  |  |  |  | 22,278,540 | 22,278,540 |  |  |  |  |  |  |  |  |  | 700,000 |  |  |
Exercise price (in Dollars per share) | $ / shares | $ 0.06 |  |  |  |  |  | $ 0.07 |  |  |  |  |  |  |  |  |  |  |  |
Issue of new unregistered warrants | 51,165,000 | 58,536,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants exercisable |  |  |  |  | 1,559,498 | 1,559,498 |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation warrant exercisable |  |  |  | 7,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise prices (in Dollars per share) | $ / shares |  | $ 0.08 |  | $ 0.0625 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary per share issued (in Dollars per share) | $ / shares |  |  | $ 0.05 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate warrant |  | 8,780,490 |  |  |  |  |  | 150,000,000 |  |  |  |  |  |  |  | 57,000,000 |  |  |
Exercise price subject to adjustment (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  | $ 0.05 | $ 0.05 |  |  |  |  |  |
Sold an aggregate shares |  | 117,073,200 |  |  |  |  |  | 57,000,000 |  |  |  |  |  |  |  |  |  |  |
Ordinary Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  | $ 0.43 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds (in Dollars) | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  |  |  | 93,000,000 |  |  |  |  |  |  |  |  | 1,350,000 |  |
Ordinary per share issued (in Dollars per share) | $ / shares |  | $ 0.07 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ordinary shares |  |  |  |  |  |  | 180,000,000 |  | 50,926,830 | 50,926,830 |  |  |  |  |  |  |  |  |
Ordinary shares issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,500,000 |  |  |  | 35,000,000
Aggregate shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,050,000 |  |  |
Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.018 |  |  |
Minimum [Member] | ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise prices (in Dollars per share) | $ / shares |  |  |  |  |  |  | $ 980,000 |  |  |  |  |  |  |  |  |  |  |  |
Private Placement Warrants [Member] | ADS [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Exercise price (in Dollars per share) | $ / shares |  |  |  |  |  | $ 0.11 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Par value (in New Shekels per share) | ₪ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ₪ 0.25 |

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

X
- Definition Percentage of aggregate number of ADS. + References No definition available. + Details
Name: | canf_AggregateNumbersOfADS
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: | instant

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 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 No definition available. + Details
Name: | canf_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantOrRights
Namespace Prefix: | canf_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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 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. + References No definition available. + Details
Name: | canf_IssuanceExpenses
Namespace Prefix: | canf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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 Per share amount of pre-funded warrant. + References No definition available. + Details
Name: | canf_PreFundedWarrant
Namespace Prefix: | canf_
Data Type: | dtr:perShareItemType
Balance Type: | na
Period Type: | instant

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
- 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 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 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 The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 25 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653 + Details
Name: | us-gaap_AcceleratedShareRepurchasesInitialPricePaidPerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable for rebates of an exchange fee some mutual funds impose on shareholders if they exchange (transfer) to another fund within the same fund group. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 + Details
Name: | us-gaap_AccruedExchangeFeeRebateCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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 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 Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
Name: | us-gaap_SaleOfStockPricePerShare
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |