Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Subsequent events - Additional Information (Details)

v3.21.1
Subsequent events - Additional Information (Details)
3 Months Ended 12 Months Ended
Mar. 16, 2021
item
Jun. 10, 2020
shares
Mar. 24, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Dec. 21, 2020
USD ($)
Jul. 13, 2020
USD ($)
Mar. 27, 2020
USD ($)
Disclosure of non-adjusting events after reporting period [line items]                
Shares issue costs       $ (5,046,283)        
Gross proceeds from exercise of certain stock options       $ 405,305 $ 55,791      
Investors [Member]                
Disclosure of non-adjusting events after reporting period [line items]                
Maximum aggregate offering price           $ 100,000,000 $ 59,500,000 $ 30,000,000
Number of shares issued during the period | shares   10,000,000            
Warrants                
Disclosure of non-adjusting events after reporting period [line items]                
Number Of Warrants Exercised | shares       5,387,200 1,116,322      
Share transaction | Warrants                
Disclosure of non-adjusting events after reporting period [line items]                
Number of shares issued during the period | shares     2,174,484          
Gross proceeds from exercise of warrants     $ 4,800,714          
Share transaction | Stock options                
Disclosure of non-adjusting events after reporting period [line items]                
Number of shares issued during the period | shares     1,058,724          
Gross proceeds from exercise of certain stock options     $ 475,240          
Share transaction | ATM Offerings                
Disclosure of non-adjusting events after reporting period [line items]                
Number of shares issued during the period | shares     20,365,495          
Gross proceeds     $ 146,558,984          
Shares issue costs     $ 3,960,332          
Proposed facility to support for production | Flagship SOLO EV.                
Disclosure of non-adjusting events after reporting period [line items]                
Number of vehicles produce at facility per year | item 20,000