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Nature of Operations - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2015 Patient
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of ovarian cancer patients	30,000
Percentage of breast cancers	50.00%
Percentage of ovarian cancers	95.00%

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- Definition

Number of ovarian cancer patients.

+ References

No definition available.

+ Details

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- Definition

Percentage of breast cancers.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of ovarian cancers.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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X

- References

No definition available.

+ Details

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