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

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Estimated Useful Life of Assets (Detail)

v3.20.4
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Estimated Useful Life of Assets (Detail)
12 Months Ended
Dec. 31, 2020
Computer equipment [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 3 years
Furniture and fixtures [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 3 years
Machinery [member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives 3 years
Leasehold Improvements [Member]  
Disclosure of detailed information about property, plant and equipment [line items]  
Estimated useful lives Remaining term of the lease