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Bank Financing Arrangements January 31, 2018 (Details Narrative) - USD ($)
Jan. 31, 2018
Mar. 01, 2018
Domestic Line of Credit    
Aggregate maximum advance amount $ 2,000,000  
Borrowing capacity description 80% of qualified receivables  
Debt reference rate U.S. Prime Rate  
Basis point added to reference rate of debt 0.75%  
Line of credit expiration date Jan. 31, 2020  
Foreign Line of Credit    
Aggregate maximum advance amount $ 500,000  
Borrowing capacity description 80% of qualified receivables  
Debt reference rate U.S. Prime Rate  
Basis point added to reference rate of debt 0.75%  
Line of credit expiration date Jan. 31, 2020  
Term Loan for Stock Repurchase    
Borrowing capacity description Payable over 48 months  
Debt reference rate U.S. Prime Rate  
Basis point added to reference rate of debt 1.75%  
Term loan amount $ 4,000,000  
Term loan amount outstanding   $ 4,000,000