Commitments and Contingencies - Manufacturing, License and Other Agreements (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) shares
TRX518 and DKN-01
Commitments and Contingencies
Noncancelable commitments	$ 1,583
License and service agreements
Commitments and Contingencies
Accrued royalties	$ 0
License and service agreements \| Preferred Class A
Commitments and Contingencies
Issuance of stock in consideration for license (in shares) \| shares	9,000,000
Licensing agreements
Commitments and Contingencies
Accrued royalties	$ 0

Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

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+ References

No definition available.

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The floor amount as of the balance sheet date that the entity must expend to satisfy the terms of disclosed arrangements (excluding long-term commitments) in which the entity must commit resources to supply goods or services to one or more customers.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.17)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.(a)(19))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

+ References

No definition available.

+ Details

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