Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Detail)

v3.20.1
Related Party Transactions - Additional Information (Detail) - USD ($)
8 Months Ended 12 Months Ended
Jun. 28, 2017
Dec. 31, 2019
Dec. 31, 2018
Mar. 31, 2019
Related Party Transaction [Line Items]        
Class of warrant or right, number of securities called by warrants or rights       1,666,666
Dialog Semiconductor Plc [Member]        
Related Party Transaction [Line Items]        
Equity method investment, ownership percentage   5.20%    
Percentage of common shares potentially own outstanding shares   7.10%    
Warrants outstanding   654,013    
Dialog Semiconductor Plc [Member] | Research and Development Expense [Member]        
Related Party Transaction [Line Items]        
Payments for fees   $ 0 $ 79,550  
Strategic Alliance Agreement [Member]        
Related Party Transaction [Line Items]        
Revenue   $ 7,100 $ 5,773  
Private Placements [Member] | Dialog Semiconductor Plc [Member]        
Related Party Transaction [Line Items]        
Stock issued during period, shares, new issues 1,739,691      
Private Placements [Member] | Dialog Semiconductor Plc [Member] | Warrant Issued to Private Investors [Member]        
Related Party Transaction [Line Items]        
Class of warrant or right, number of securities called by warrants or rights 1,417,565