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Long-term Debt (Details Textual) (USD $)
 1 Months Ended 1 Months Ended 0 Months Ended 9 Months Ended 1 Months Ended
Jun. 30, 2012
Jan. 30, 2012
Crediamigo [Member]
Jan. 30, 2012
Crediamigo [Member]
Maximum [Member]
Jan. 30, 2012
Crediamigo [Member]
Minimum [Member]
Jan. 30, 2012
Crediamigo [Member]
Line of Credit due 2014 [Member]
Jan. 30, 2012
Crediamigo [Member]
18% secured notes due 2015 [Member]
Monthly Payment due Beginning September 30, 2012 [Member]
May 10, 2011
New Senior Secured Credit Agreement [Member]
banks
Jun. 30, 2012
New Senior Secured Credit Agreement [Member]
Maximum [Member]
Jun. 30, 2012
New Senior Secured Credit Agreement [Member]
Minimum [Member]
Jan. 30, 2012
Foreign Line of Credit [Member]
Crediamigo [Member]
Line of Credit due 2015 [Member]
Jan. 30, 2012
Foreign Line of Credit [Member]
Crediamigo [Member]
Line of Credit due 2015 [Member]
Increased Monthly Payment, Beginning November 30, 2012 [Member]
Jun. 29, 2012
Foreign Line of Credit [Member]
Crediamigo [Member]
Line of Credit due 2017 [Member]
Jun. 28, 2012
Foreign Line of Credit [Member]
Crediamigo [Member]
Line of Credit due 2017 [Member]
Debt Instrument [Line Items]                          
Number of banks involved in line of credit facility             5            
Maturity period of new credit agreement             4 years            
Revolving credit facility             $ 175,000,000         $ 22,000,000 $ 14,600,000
Line of credit potential maximum             225,000,000            
Debt repaid and retired             17,500,000            
Interest rate description   Mexican Interbank Equilibrium ("TIIE") plus a margin varying from 9% to 20%         LIBOR plus 200 to 275 basis points or the bank's base rate plus 100 to 175 basis points            
Interest rate to the lenders     20.00% 9.00%       2.75% 2.00%        
Bank base rate               1.75% 1.00%        
Commitment fee description             commitment fee of 37.5 to 50 basis points depending on our leverage ratio calculated at the end of each quarter            
Commitment fee on unused amount of credit facility               0.50% 0.375%        
Ownership percentage interest   60.00%                      
Monthly payment         100,000 100,000       800,000 1,900,000    
Frequency of periodic payment         monthly payments monthly payments       monthly payments monthly payments    
Interest rate of notes           18.00%              
Line of credit, interest rate                       14.50% 20.00%
Line of credit, extended term                       6 months  
Unamortized premium $ 11,510,000                     $ 2,800,000