Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.20.1
Stockholders' Equity - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 17, 2018
USD ($)
Jul. 05, 2017
USD ($)
Jun. 28, 2017
$ / shares
shares
Aug. 31, 2019
shares
Mar. 31, 2019
USD ($)
$ / shares
shares
Jan. 31, 2018
USD ($)
Dec. 31, 2019
USD ($)
Vote
Dec. 31, 2019
USD ($)
Vote
shares
Dec. 31, 2018
USD ($)
Class of Stock [Line Items]                  
Number of common stock voting entitlement per share | Vote             1 1  
Issuance of shares and warrants in a private placement, net of issuance costs         $ 23,319,156     $ 23,319,156  
Net of issuance costs from offering of shares         $ 1,680,844   $ 339,081    
Class of warrant or right, number of securities called by warrants or rights | shares         1,666,666        
Class of warrant or right, exercise price of warrants or rights | $ / shares         $ 10.00        
Proceeds from at the market offering of shares of common stock and warrants             $ 4,557,693 4,557,693 $ 38,846,815
Dialog Semiconductor Plc [Member]                  
Class of Stock [Line Items]                  
Class of warrant or right, exercise price of warrants or rights | $ / shares     $ 19.9766            
Dialog Semiconductor Plc [Member] | Warrant Issued to Private Investors [Member]                  
Class of Stock [Line Items]                  
Stock issued during period, shares, new issues | shares     976,139            
Stock issued during period, value, new issues   $ 14,999,935              
Common Stock [Member]                  
Class of Stock [Line Items]                  
Issuance of shares and warrants in a private placement, net of issuance costs               33  
Proceeds from at the market offering of shares of common stock and warrants               $ 21 $ 22
Number of shares returned | shares               38,666  
Common Stock [Member] | Dialog Semiconductor Plc [Member]                  
Class of Stock [Line Items]                  
Class of warrant or right, number of securities called by warrants or rights | shares     654,013            
RSU Rescission Agreements [Member] | Common Stock [Member]                  
Class of Stock [Line Items]                  
Number of shares returned | shares       38,666          
Consummation of Offering Under Shelf Registration [Member]                  
Class of Stock [Line Items]                  
Stock issued during period, value, new issues           $ 38,846,815      
Underwriter's discount and issuance costs           $ 1,153,715      
Proceeds from shelf registration debt or equity securities $ 75,000,000                
Private Placements [Member] | Dialog Semiconductor Plc [Member]                  
Class of Stock [Line Items]                  
Share price | $ / shares     $ 15.3666