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Convertible Loan - Additional Information (Detail) - USD ($)
May 09, 2017
Jul. 11, 2016
Jun. 30, 2017
Debt Instrument [Line Items]      
Percentage on discount on common stock   15.00%  
Fair value of debt   $ 3,400,000  
Convertible debt     $ 0
Otic Pharma [Member] | OrbiMed Israel Partners Limited Partnership and Peregrine Management II Ltd [Member]      
Debt Instrument [Line Items]      
Convertible bridge financing amount   $ 2,900,000  
Common Stock [Member] | Otic Pharma [Member]      
Debt Instrument [Line Items]      
Bridge financing amount conversion 67,427    
Series C Preferred Stock [Member] | Otic Pharma [Member]      
Debt Instrument [Line Items]      
Percentage of original issue price of shares   85.00%