Represents the remaining number of shares which are to be issued to certain officers in lieu of cash payments.

No definition available.

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- Definition

Represents the number of shares issuable to certain officers in lieu of cash payments.

+ References

No definition available.

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- Definition

Represents the number of shares issued to certain officers in lieu of cash payments

+ References

No definition available.

+ Details

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Number of shares of equity interests issued or issuable to acquire entity.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 23
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e1043-128460

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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No definition available.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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-Name Accounting Standards Codification
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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Kolltan Acquisition- Purchase Price (Details) - USD ($) $ / shares in Units, $ in Thousands		9 Months Ended
	Nov. 29, 2016	Sep. 30, 2017	Dec. 31, 2016
Acquisition-date fair value of consideration transferred
Fair value of contingent consideration		$ 44,000	$ 44,200
Kolltan
Kolltan Acquisition
Shares issued as part of consideration (in shares)	18,257,996
Shares issuable in lieu of cash severance obligations (in shares)	437,901
Shares issued in lieu of cash severance obligations (in shares)		91,749
Remaining obligation (in shares)		125,123
Closing price of common stock (in dollars per share)	$ 4.02
Acquisition-date fair value of consideration transferred
Fair value of common stock issued for upfront payment	$ 73,397
Fair value of contingent consideration	44,200
Kolltan transaction expenses paid in cash by the Company	3,768
Total consideration transferred	121,365
Kolltan \| Specified development, regulatory approvals or sales-based milestones
Kolltan Acquisition
Milestone payments	$ 172,500