XML 43 R25.htm IDEA: XBRL DOCUMENT v3.19.3
Schedule of Assumptions Used to Calculate Fair Value of Warrant Liability (Detail) - ClinicalTrials
Sep. 30, 2019
Jun. 30, 2019
Risk Free Interest Rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants and Rights Outstanding, Measurement Input 1.6 1.7
Expected life years    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants and Rights Outstanding, Measurement Input 3.6 3.8
Expected volatility    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants and Rights Outstanding, Measurement Input 56.9 56.8
Dividend Yield    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants and Rights Outstanding, Measurement Input 0.0 0.0
Black-Scholes Fair Value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Warrants and Rights Outstanding, Measurement Input 0.52 1.10