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Subsequent Events - Additional Information (Detail) - Oct. 01, 2020 - Neo Medical SA [Member] - Subsequent Event [Member]
SFr in Millions, $ in Millions
USD ($)
CHF (SFr)
Subsequent Event [Line Items]    
Convertible loans | SFr   SFr 4.6
Convertible loans interest rate   8.00%
Maturity date Oct. 01, 2024  
Preferred Stock [Member]    
Subsequent Event [Line Items]    
Amount of Preferred stock consideration | $ $ 5.0