COMMITMENTS AND CONTINGENCIES (Details 2) (Celgene Corporation)	1 Months Ended
Feb. 29, 2012	Apr. 30, 2010 patent
Celgene Corporation
Legal proceedings
Number of patents in litigation		4
Jury trial period	7 days

Represents the jury trial period which is set by the court in scheduling order.

No definition available.

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