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STOCK BASED COMPENSATION (Detail Textuals 1) - Stock options	Mar. 31, 2016
Minimum
Stock based compensation, additional disclosures
Forfeiture rate (as a percent)	0.00%
Maximum
Stock based compensation, additional disclosures
Forfeiture rate (as a percent)	30.00%

X

- Definition

Represents the forfeiture rate used to estimate the pre-vesting option forfeitures.

+ References

No definition available.

+ Details

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Namespace Prefix:	cycc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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