Subsequent Events (Details) - Subsequent Event - Loans Payable - New Loan - Lenders $ / shares in Units, shares in Millions	Mar. 15, 2018 USD ($) director $ / shares shares
Common Stock
Subsequent Event [Line Items]
Warrants issued to purchase common shares (in shares) \| shares	1.8
Exercise price of warrants (in dollars per share) \| $ / shares	$ 4.40
Common shares trading days	20 days
Term of warrants	4 years
Aegerion
Subsequent Event [Line Items]
Loan payable \| $	$ 20,000,000.0
Debt instrument percentage	9.00%
Debt instrument increase in percentage following an event of default	3.00%
Number of members of Board of Directors affiliated with lenders \| director	2

Class of Warrant or Right, Term

No definition available.

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- Definition

Common Stock, Threshold Trading Days

+ References

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- Definition

Debt Instrument, Interest Rate, Stated Percentage Increase Due to Event of Default

+ References

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- Definition

Number of Members of Board of Directors Affiliated With Lenders

+ References

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

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