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NATURE OF OPERATIONS AND BASIS OF PRESENTATION (Details) (USD $)	9 Months Ended				1 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010	Nov. 30, 2012 Subsequent event
Nature of Operations
Cash and cash equivalents	$ 17,837,000	$ 24,449,000	$ 27,675,000	$ 29,495,000
Period for which cash and cash equivalents are sufficient to meet anticipated short-term working capital needs and to fund our on-going sapacitabine clinical trials	12 months
NATURE OF OPERATIONS AND BASIS OF PRESENTATION
Grant awarded from UK Government's Biomedical Catalyst					$ 1,900,000

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Represents the period for which cash and cash equivalents are sufficient to meet anticipated short-term working capital needs and to fund our on-going sapacitabine clinical trials.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Cash received from grantors during the current period related to operating activities. This element represents receipts from a guarantor for the amount of guarantee provided.

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