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Accrued and Other Current Liabilities (Detail Textuals)	12 Months Ended
	Dec. 31, 2017 USD ($)
ManRos Therapeutics SA ("ManRos") | Collaboration, Supply and Licensing Agreements
Accrued And Other Current Liabilities [Line Items]
Payment received from achieving a clinical milestone	$ 150,000

X

- Definition

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.

+ Details

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- Definition

The amount of consideration recognized during the period for the milestone or milestones.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 28
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=68058744&loc=SL6892177-166501

+ Details

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Period Type:	duration

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