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Stockholders' Equity (Details)	12 Months Ended
	Dec. 31, 2013
Preferred stock
Conversion of Convertible Preferred Stock
Preferred shares exchanged (in shares)	877,869us-gaap_ConversionOfStockSharesConverted1 / us-gaap_StatementClassOfStockAxis = us-gaap_ConvertiblePreferredStockMember
Common stock
Shares of common stock issued:
At stated convertible option (in shares)	53,366cycc_StockIssuedDuringPeriodSharesConversionOfConvertibleSecuritiesAtStatedConvertibleOption / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Incremental shares issued under the exchange transaction (in shares)	1,631,105cycc_StockIssuedDuringPeriodSharesConversionOfConvertibleSecuritiesIncrementalShares / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
Total shares of common stock issued	1,684,471us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember

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Represents the total number of shares issued upon conversion of preferred shares at stated convertible option.

+ References

No definition available.

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Represents the incremental number of shares issued under the exchange transaction upon conversion of preferred shares.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586



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Number of shares issued during the period as a result of the conversion of convertible securities.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



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