Represents the number of shares of common stock committed to purchase under the purchase agreement.

No definition available.

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Namespace Prefix:	cycc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the term of the common stock purchase agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	cycc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	cycc_EquityOfferingLineItems
Namespace Prefix:	cycc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares issued as consideration for cash for development stage entities.

+ References

No definition available.

+ Details

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Namespace Prefix:	cycc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares issued for noncash consideration for development stage entities.

+ References

No definition available.

+ Details

Name:	cycc_StockIssuedDuringPeriodSharesIssuedForNoncashConsiderationTwo
Namespace Prefix:	cycc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of shares issued as consideration for cash for development stage entities.

+ References

No definition available.

+ Details

Name:	cycc_StockIssuedDuringPeriodValueIssuedForCashTwo
Namespace Prefix:	cycc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- 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:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	cycc_EquityOfferingComponentsAxis=cycc_PurchaseAgreementMember
Namespace Prefix:
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- Details

Name:	dei_LegalEntityAxis=cycc_AspireCapitalFundLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	cycc_EquityOfferingComponentsAxis=cycc_January2010StockIssuanceMember
Namespace Prefix:
Data Type:	na
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STOCKHOLDERS' EQUITY (Detail Textuals 3) - USD ($) $ / shares in Units, $ in Millions			9 Months Ended
	Jul. 08, 2015	Nov. 14, 2013	Sep. 30, 2015
November 2013 Stock Purchase Agreement \| Aspire Capital Fund, LLC
Common Stock
Common stock sold	314,424
Common stock price per share	$ 0.70
November 2013 Stock Purchase Agreement \| Common stock \| Aspire Capital Fund, LLC
Common Stock
Number of shares issued under purchase agreement		511,509	1,100,000
Purchase price for shares issued under purchase agreement		$ 2.0	$ 1.2
Period of common stock purchase agreement		2 years
Stock issued in lieu of a commitment fee		166,105
November 2013 Stock Purchase Agreement \| Common stock \| Maximum \| Aspire Capital Fund, LLC
Common Stock
Maximum additional shares committed to purchase		3,042,038
Common stock purchase agreement, purchase commitment		$ 18.0
January 2010 stock issuance
Common Stock
Number of common stock called by warrants			202,499