XML 74 R38.htm IDEA: XBRL DOCUMENT v3.21.2
Equity - Schedule of Assumptions (Detail) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Class of Warrant or Right [Line Items]      
Strike price     $ 11.00
Dividend yield 0.00% 0.00%  
Minimum [Member]      
Class of Warrant or Right [Line Items]      
Strike price $ 11.69 $ 2.22  
Expected term 5 years 6 months 4 years 8 months 12 days 6 years
Maximum [Member]      
Class of Warrant or Right [Line Items]      
Strike price $ 23.41 $ 3.07  
Expected term 6 years 6 months 5 years 10 months 24 days 6 years 6 months
Common stock warrant [Member]      
Class of Warrant or Right [Line Items]      
Strike price   $ 15.25 $ 11.00
Volatility rate   80.00% 80.00%
Risk-free rate     2.40%
Expected term     5 years
Dividend yield   0.00% 0.00%
Common stock warrant [Member] | Minimum [Member]      
Class of Warrant or Right [Line Items]      
Strike price $ 7.58    
Risk-free rate   0.19%  
Expected term 6 months 25 days 3 years  
Common stock warrant [Member] | Maximum [Member]      
Class of Warrant or Right [Line Items]      
Strike price $ 15.84    
Risk-free rate   0.28%  
Expected term 4 years 5 months 1 day 5 years  
As Previously Reported | Minimum [Member]      
Class of Warrant or Right [Line Items]      
Strike price   $ 11.00  
Expected term   5 years 6 months  
As Previously Reported | Maximum [Member]      
Class of Warrant or Right [Line Items]      
Strike price   $ 15.25  
Expected term   6 years 6 months