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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended
Jan. 31, 2014
Mar. 31, 2014
Mar. 31, 2013
Jan. 24, 2014
Dec. 31, 2013
Mar. 19, 2013
Feb. 28, 2013
Significant Accounting Policies [Line Items]              
Percentage of revenues and operating costs generated in foreign operations   99.40% 99.70%        
Long-lived assets and goodwill located in the foreign operations   $ 176,636,954     $ 183,922,432    
Exchange rate used to re-measure transactions 6.52 10.7     8.00 6.30 6.3
Foreign currency loss     6,400,000        
Foreign exchange rate   10.1   10.0      
Exchange rate used to re-measure transactions   49.81          
Percentage of increase in exchange ratio 23.00%            
Net assets decreased   14,625,451          
Recognize foreign currency gain   4,597,510          
Percentage on relief of total income tax   60.00%          
Percentage of tax benefits obtained from software development law   from fiscal year 2008, the Company's Argentine subsidiary has been a beneficiary of a software development law. Part of the benefits obtained from being a beneficiary of the aforementioned law is a relief of 60% of total income tax determined in each year, thus resulting in an effective tax rate in Argentina lower than the income tax law statutory rate. The law expires in September of 2014. As a consequence, the effective tax rate for 2014 would be approximately 22% as we expect no income tax holiday during last quarter of fiscal year 2014.          
Effective tax rate   22.00%          
Aggregate tax benefit, total   $ 2,102,342 $ 2,493,849        
Aggregate per share effect of the Argentine tax holiday   $ 0.05 $ 0.06        
Venezuelan Subsidiaries [Member]
              
Significant Accounting Policies [Line Items]              
Percentage of consolidated net assets   21.10%          
Percentage of consolidated cash and investments   8.70%