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Factor Receivable (Detail) - USD ($)
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Line of Credit Facility, Collateral 85.00%  
Line of Credit Facility, Maximum Borrowing Capacity $ 30,000,000  
Letters Of Credit SubLimit Capacity Amount $ 15,000,000  
Debt Instrument, Basis Spread on Variable Rate 0.50%  
Open non-negotiated letters of credit   $ 812
Factoring Fee 0.20%  
First Cost and Private Label business [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Factoring Fee 0.14%  
London Interbank Offered Rate (LIBOR) [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Debt Instrument, Basis Spread on Variable Rate 2.50%