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Debt (Details Textual)
1 Months Ended
Jan. 31, 2017
USD ($)
Dec. 31, 2016
Dec. 31, 2014
USD ($)
Sep. 30, 2013
USD ($)
Sep. 30, 2013
CAD
Jun. 28, 2017
Apr. 30, 2017
USD ($)
Apr. 30, 2017
CAD
Apr. 30, 2017
ARS
Jan. 31, 2017
CAD
Jul. 01, 2016
USD ($)
Jul. 01, 2016
ARS
Apr. 30, 2015
USD ($)
Dec. 31, 2014
GBP (£)
Jun. 28, 2013
USD ($)
Debt Instrument [Line Items]                              
Long-term Debt, Current Maturities $ 50,000           $ 50,000                
Long-term Debt, Total             3,100,000                
Short-Term Debt 153,000           9,000                
Argentina Loan [Member]                              
Debt Instrument [Line Items]                              
Debt Instrument, Interest Rate, Stated Percentage                     27.06% 27.06%      
Long-term Line of Credit             9,250   ARS 142,250   $ 38,000 ARS 569,000      
Argentina Subsidiary [Member]                              
Debt Instrument [Line Items]                              
Long-term Line of Credit             9,250           $ 300,000    
Borrowings In UK [Member]                              
Debt Instrument [Line Items]                              
Line of Credit Facility, Maximum Borrowing Capacity     $ 1,900,000                     £ 1,250,000  
Line Of Credit Facility Advance Rate     3.46%                        
Short-Term Debt $ 100,000           0                
Notes Payable     $ 600,000                     400,000  
Service Charge Percentage 0.85% 0.90%                          
Borrowings In UK [Member] | Amendment [Member]                              
Debt Instrument [Line Items]                              
Line of Credit Facility, Maximum Borrowing Capacity     $ 2,300,000                     £ 1,500,000  
Line Of Credit Facility Advance Rate     3.00%                        
Senior Loan Agreement [Member]                              
Debt Instrument [Line Items]                              
Long-term Line of Credit                             $ 15,000,000
Revolving Credit Facility [Member]                              
Debt Instrument [Line Items]                              
Line of Credit Facility, Interest Rate at Period End           4.25%                  
Long-term Debt, Total             2,363,000                
Business Development Bank Of Canada [Member]                              
Debt Instrument [Line Items]                              
Short-term Debt, Refinanced, Amount       $ 1,100,000                      
Debt Instrument, Term       240 months 240 months                    
Debt Instrument, Interest Rate, Effective Percentage       6.45% 6.45%                    
Debt Instrument, Periodic Payment       $ 6,048 CAD 8,169                    
Long-term Debt, Current Maturities $ 50,000           50,000                
Long-term Debt, Total $ 691,000           $ 678,000 CAD 993,997   CAD 1,000,000