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Debt Obligations - China Credit Facility (Details) - Revolving Credit Facilities - China Credit Facility
Mar. 28, 2020
USD ($)
Jan. 31, 2019
USD ($)
Jan. 31, 2019
HKD ($)
Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 10,000,000 $ 70,000,000
Stated interest rate   105.00% 105.00%
Line of credit, current obligations $ 0    
Overdraft Facility      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 1,000,000 $ 10,000,000
Non-Financial Bank Guarantee Facility      
Line of Credit Facility [Line Items]      
Line of credit facility, maximum borrowing capacity   $ 3,000,000 $ 20,000,000