General form of registration statement for all companies including face-amount certificate companies

Stockholders' Deficit - Additional Information (Detail)

v3.21.1
Stockholders' Deficit - Additional Information (Detail)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 28, 2020
USD ($)
$ / shares
shares
Aug. 25, 2020
$ / shares
shares
Aug. 24, 2020
$ / shares
Aug. 20, 2020
$ / shares
Jun. 30, 2020
USD ($)
$ / shares
shares
Jan. 31, 2020
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Components Of Common Stock [Line Items]                    
Votes per each common stock share             1   1  
Common stock shares reserved for issuance             4,386,985   4,318,357  
Reverse stock split ratio     0.8741000000 1.14396            
Common stock, par value | $ / shares $ 10.00   $ 0.001 $ 0.001 $ 5.50   $ 0.001   $ 0.001 $ 0.001
Reverse stock split description       On August 20, 2020, the board of directors adopted resolutions proposing that each 1.14396 shares of the Company's issued and outstanding common stock, par value $0.001 per share, be automatically converted into one fully paid and nonassessable share of common stock, par value $0.001 (the "Reverse Stock Split") with cash in lieu of fractional shares.         On August 20, 2020, the board of directors adopted resolutions proposing that each 1.14396 shares of the Company's issued and outstanding common stock, par value $0.001 per share, be automatically converted into one fully paid and nonassessable share of common stock, par value $0.001 (the "Reverse Stock Split") with cash in lieu of fractional shares.  
Issuance of common stock, Shares 44,143                  
Proceeds from issuance of common stock | $               $ 4,870 $ 4,870  
Additional rights or options granted 0 0                
Stock issued in consideration for early settlement of note | $ $ 441,432                  
Stock issued during period, warrant exercised   13,301             0 0
Number of warrant exercised   21,854                
Strike price of warrant exercised | $ / shares   $ 2.31                
Consulting Services [Member]                    
Components Of Common Stock [Line Items]                    
Additional rights or options granted             0      
Shares issued in exchange for consulting services             9,000      
Fair value of stock issued in exchange for consulting services | $             $ 60,391      
Consulting Services [Member] | Selling, General and Administrative                    
Components Of Common Stock [Line Items]                    
Fair value of stock issued in exchange for consulting services | $             $ 60,391      
Private Placement [Member]                    
Components Of Common Stock [Line Items]                    
Issuance of common stock, Shares         11,594 874        
Shares issued price per share | $ / shares         $ 5.50 $ 5.57        
Proceeds from issuance of common stock | $           $ 4,870        
Additional rights or options granted         0 0        
Stock issued in consideration for early settlement of note | $         $ 63,800          
IPO                    
Components Of Common Stock [Line Items]                    
Issuance of common stock, Shares 1,800,000                  
Proceeds from issuance of common stock | $ $ 14,600,000                  
Stock issuance cost | $ $ 3,400,000