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Bank Financing Arrangements (Details Narrative) - USD ($)
 3 Months Ended 6 Months Ended
Feb. 26, 2016
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Remaining borrowing capacity   $ 1,530,000   $ 1,530,000  
Domestic Line of Credit          
Aggregate maximum advance amount   2,000,000   2,000,000  
Borrowing capacity description 70% of qualified receivables        
Debt reference rate Bank's Prime Rate        
Minimum interest rate on debt (as a percent) 3.25%        
Basis point added to reference rate of debt 1.50%        
Monthly collateral handling fee 0.10%        
Interest expense   1,813 $ 14,621 3,000 $ 29,190
Line of credit expiration date Feb. 27, 2018        
Foreign Line of Credit          
Aggregate maximum advance amount   $ 500,000   $ 500,000  
Borrowing capacity description 70% of qualified receivables        
Debt reference rate Bank's Prime Rate        
Minimum interest rate on debt (as a percent) 3.25%        
Basis point added to reference rate of debt 1.50%        
Monthly collateral handling fee 0.10%        
Line of credit expiration date Feb. 27, 2018