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.

No definition available.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Cash received from collaborators during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Glossary Carryforwards
-URI http://asc.fasb.org/extlink&oid=6506874

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Income Taxes - Sale of New Jersey Net Operating Losses (Details 5) - State - USD ($) $ in Millions	Nov. 30, 2015	Feb. 27, 2014	Dec. 31, 2015
Sale of New Jersey Net Operating Losses
NOLs			$ 47.2
Research and Development
Sale of New Jersey Net Operating Losses
Tax credits			$ 0.5
New Jersey \| Sale of unused NOLs and research and development credits
Sale of New Jersey Net Operating Losses
NOLs	$ 59.8	$ 39.1
Net proceeds from sale	6.0	3.6
New Jersey \| Research and Development \| Sale of unused NOLs and research and development credits
Sale of New Jersey Net Operating Losses
Tax credits	$ 1.1	$ 0.4