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Bank Financing Arrangements (Details Narrative) - USD ($)
 3 Months Ended 9 Months Ended
Jan. 31, 2018
Sep. 30, 2018
Sep. 30, 2018
Accrued interest payable   $ 9,244 $ 9,244
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    
Amount borrowed     9,416,000
Amount repaid     7,890,000
Interest expense   9,712 22,428
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    
Interest expense   2,771 4,452
Term Loan for Stock Repurchase      
Aggregate maximum advance amount $ 4,000,000    
Borrowing capacity description Payable over 48 months    
Debt reference rate U.S. Prime Rate    
Basis point added to reference rate of debt 1.75%    
Amount outstanding   958,333 958,333
Amount borrowed     4,000,000
Amount repaid     3,041,667
Interest expense   $ 19,459 $ 76,188