Nature of Business - Discontinuation and Market Withdrawal (Details) - Ionsys - Not discontinued operations, discontinuation and market withdrawal $ in Thousands	9 Months Ended
Sep. 30, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cost of product revenue	$ 8,458
Asset impairment charges	264,097
Research and development	1,032
Selling, general and administrative	3,331
Total operating expenses	276,918
Income (loss) from operations	(276,918)
(Loss) income from continuing operations before income taxes	(276,918)
Benefit (provision) for income taxes	0
Net (loss) income from continuing operations	$ (276,918)

Disposal Group, Including Discontinued Operation, Asset Impairment Charges

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Disposal Group, Including Discontinued Operation, Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest

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No definition available.

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Disposal Group, Including Discontinued Operation, Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest

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Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit)

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Disposal Group, Including Discontinued Operation, Research and Development Expense

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- Definition

Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

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Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.

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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.

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