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Organization and Plan of Merger | 12 Months Ended
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Mar. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] | Note 1. Organization and Plan of Merger Organization Ruthigen, Inc. (the “Company” or “Ruthigen”) was incorporated under the laws of the State of Nevada on January 18, 2013. The Company was reincorporated from Nevada to Delaware on September 25, 2013. The Company’s principal office is located in Santa Rosa, California. Ruthigen is a biopharmaceutical company focused on pioneering new hypochlorus acid, or HOCl, based therapies designed to improve patient outcomes and reduce healthcare costs associated with infections related to post-operative invasive procedures. The Company closed its initial public offering (“IPO”) on March 26, 2014, pursuant to which an aggregate of 2,650,000 units were sold at a price of $7.25 per unit. Prior to the IPO, the Company was a wholly-owned subsidiary of Oculus Innovative Sciences, Inc. (“Oculus” or “Former Parent”). See Note 7 – Stockholders’ Equity – Initial Public Offering for additional details. Agreement and Plan of Merger On March 13, 2015, the Company entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Pulmatrix Inc. (“Pulmatrix”), a privately held biopharmaceutical company focused on the discovery, development, and commercialization of inhalable therapeutics and enabling technologies that treat and control respiratory infectious diseases. The Merger Agreement provides for the merger of Pulmatrix with and into Ruthigen Merger Corp., with Pulmatrix continuing after the merger as the surviving corporation and a wholly owned subsidiary of Ruthigen (the “Merger”). See Note 6 – Commitments and Contingencies – Agreement and Plan of Merger for additional details.

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