The price per share of the conversion feature embedded in the convertible preferred stock.

No definition available.

Name:	cycc_ConvertiblePreferredStockConversionPricePerShare
Namespace Prefix:	cycc_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of Board of Directors nominated by Preferred Stock holders when the entity failed to pay dividends on preferred stock for six quarters.

+ References

No definition available.

+ Details

Name:	cycc_NumberOfBoardOfDirectorsElectedByPreferredStockHoldersDueToFailureToPayDividendsOnPreferredStock
Namespace Prefix:	cycc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of Board of Directors to be elected by Preferred Stock holders if the entity fails to pay dividends on preferred stock.

+ References

No definition available.

+ Details

Name:	cycc_NumberOfBoardOfDirectorsToBeElectedByPreferredStockHoldersUponFailureToPayDividendsOnPreferredStock
Namespace Prefix:	cycc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of series of preferred stock.

+ References

No definition available.

+ Details

Name:	cycc_NumberOfSeriesOfPreferredStock
Namespace Prefix:	cycc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage of the closing sales price of the entity's common stock for at least 20 days within 30 trading days that the closing sales price of the entity's common stock must exceed the conversion price in order for the preferred stock to be convertible.

+ References

No definition available.

+ Details

Name:	cycc_PreferredStockConversionObligationCommonStockClosingSalesPriceAsPercentageOfConversionPrice
Namespace Prefix:	cycc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of trading days within a period of 30 consecutive trading days the closing price of the entity's common stock must exceed the applicable price in order for the preferred stock to be convertible.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of trading days during which the closing price of the entity's common stock must exceed the applicable conversion price for at least 20 days in order for the preferred stock to be convertible.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of trading days within 30-day trading period required to be ended prior to notice of automatic conversion.

+ References

No definition available.

+ Details

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

- Definition

Represents the ratio applied to the preferred stock for purposes of determining the number of shares of the common stock into which the preferred stock will be converted.

+ References

No definition available.

+ Details

Name:	cycc_PreferredStockConvertibleConversionRatio
Namespace Prefix:	cycc_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the unit of measurement in dollars which establishes the exchange rate of the preferred stock into debt.

+ References

No definition available.

+ Details

Name:	cycc_PreferredStockExchangeRatePrincipalAmountOfNotesUsedInCalculation
Namespace Prefix:	cycc_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the number of quarters in which cash dividends have not been paid on preferred stock

+ References

No definition available.

+ Details

Name:	cycc_PreferredStockNumberOfQuartersInWhichCashDividendsNotPaid
Namespace Prefix:	cycc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of dividends deemed declared in the period to preferred shareholders as a result of the preferred shares being converted into common stock.

+ References

No definition available.

+ Details

Name:	cycc_RedeemablePreferredStocksDividends
Namespace Prefix:	cycc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Aggregate number of common shares reserved for future issuance.

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph d

-Article 4

Reference 5: 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.(d)(1))

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

+ Details

Name:	us-gaap_PreferredStockLiquidationPreference
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

+ References

+ Details

Name:	us-gaap_PreferredStockRedemptionPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

+ Details

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

- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

+ References

+ Details

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

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

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_ConvertiblePreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stockholders' Equity (Detail Textuals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended		0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Aug. 02, 2010 Director
Stockholders' equity
Preferred stock, shares issued	335,273us-gaap_PreferredStockSharesIssued	335,273us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding	335,273us-gaap_PreferredStockSharesOutstanding	335,273us-gaap_PreferredStockSharesOutstanding
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Redemption price per share (in dollars per share)	$ 10.00
Dividend rate (as a percent)	6.00%
Deemed dividends recorded		$ 9,027cycc_RedeemablePreferredStocksDividends
Preferred stock
Stockholders' equity
Preferred stock, shares issued	335,273
Preferred stock, shares outstanding	335,273
Preferred stock, par value (in dollars per share)	$ 10.00
Dividend rate (as a percent)	6.00%
Liquidation preference (in dollars per share)	$ 10
Number of shares to be issued for each preferred stock upon conversion	0.06079
Conversion price (in dollars per share)	$ 164.50
Shares reserved for future issuance upon conversion	20,381
Percentage of the closing sales price of the entity's common stock that the conversion price must exceed in order for the preferred stock to be convertible	150.00%
Number of trading days during which the closing price of the entity's common stock must exceed the conversion price for at least 20 days in order for the preferred stock to be convertible	30 days
Number of trading days prior to notice of automatic conversion	5 days
Number of quarters in which no preferred stock dividends have been paid	6
Number of Board of Directors to be elected by Preferred Stock holders if entity fails to pay dividends on Preferred Stock	2
Number of Board of Directors elected by the Preferred Stock holders when the entity failed to pay dividends on Preferred Stock			2
Interest rate (as a percent)	6.00%
Debt principal amount per share, basis for exchange (in dollars per share)	$ 10
Debt instrument, term	25 years
Preferred stock \| Minimum
Stockholders' equity
Number of series of Preferred stock	1
Closing price of stock (in dollars per share)	$ 246.75
Number of trading days within 30 trading days in which the closing price of the entity's common stock must exceed the conversion price for the preferred stock to be convertible	20 days