Annual report pursuant to Section 13 and 15(d)

Impact of Adoption of ASC 842 - Additional Information (Details)

v3.20.4
Impact of Adoption of ASC 842 - Additional Information (Details) - USD ($)
$ in Thousands
Jan. 03, 2021
Dec. 29, 2019
Dec. 31, 2018
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Operating lease right of use assets-net (note 5) $ 7,791 $ 3,330  
Operating Lease, Liability, Total $ 8,180    
Prepaid Rent     $ 463
Accounting Standards Update 2016-02 [Member]      
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]      
Change in accounting principle, accounting standards update, adopted [true false] true    
Change in accounting principle, accounting standards update, adoption date Dec. 31, 2018    
Change in accounting principle, accounting standards update, immaterial effect [true false] false    
Operating lease right of use assets-net (note 5)     5,452
Operating Lease, Liability, Total     $ 5,915