Merger with Macrocure and Related Transactions - Royalty Agreement and Letter Agreement (Details)	Jan. 23, 2017
Royalty Vehicle
Merger with Macrocure
Collective beneficial ownership (as a percent)	100.00%
TRX 518 compound \| Royalty Agreement \| Royalty Vehicle
Merger with Macrocure
Royalties payable	5.00%
DKN-01 compound \| Royalty Agreement \| Royalty Vehicle
Merger with Macrocure
Royalties payable	2.00%

Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPMembersOrLimitedPartnersOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration