Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

COMMITMENTS - Additional Information (Detail)

v3.21.2
COMMITMENTS - Additional Information (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
shares
Jun. 30, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
Commitments [line items]      
Purchase orders remain outstanding | $ $ 5,369 $ 5,369 $ 10,694
Restricted stock [Member]      
Commitments [line items]      
Number of shares granted 387,121 1,914,981  
Consultant [member] | Restricted stock [Member]      
Commitments [line items]      
Number of shares granted   100,000  
Contract expiry date   May 13, 2022