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Long-Term Debt - Bankok Bank Loan (Details) - Bangkok Bank Loan [Member] - USD ($)
$ in Millions
Nov. 07, 2018
Dec. 28, 2017
Sep. 30, 2018
Debt Instrument [Line Items]      
Stated percentage     8.492%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage   1.50%  
London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   6.25%  
Base Rate [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   5.25%  
Line of Credit [Member]      
Debt Instrument [Line Items]      
Long-term Line of Credit     $ 18
Availability of credit     $ 2
Subsequent Event | Line of Credit [Member]      
Debt Instrument [Line Items]      
Amount borrowed under line of credit $ 2