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Share-based Compensation Expense Recognized for the Accelerated Vesting of Employee Options (Detail) (Crescendo Biosciences, Inc., USD $) In Thousands, unless otherwise specified | 0 Months Ended
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Feb. 28, 2014
Acquisitions [Line Items] |
Share-based compensation | $ 6,929
Cost Of Molecular Diagnostic Testing |
Acquisitions [Line Items] |
Share-based compensation | 185
Research And Development Expense |
Acquisitions [Line Items] |
Share-based compensation | 2,075
Selling, General, and Administrative Expenses |
Acquisitions [Line Items] |
Share-based compensation | $ 4,669

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