Summary of Significant Accounting Policies (Details Textuals)	3 Months Ended				9 Months Ended			12 Months Ended	36 Months Ended
	Sep. 30, 2011 USD ($)	Sep. 30, 2010 USD ($)	Dec. 31, 2009 VEB	Dec. 31, 2009 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2010 USD ($)	Sep. 30, 2009 VEB	Dec. 31, 2009 VEB	Dec. 31, 2009	Sep. 30, 2011 VEB	Dec. 31, 2010 USD ($)	Jun. 09, 2010 VEB	Nov. 30, 2009
Summary of Significant Accounting Policies (Textuals) [Abstract]
Percentage of revenues and operating costs generated in foreign operations					99.70%	99.50%
Long-lived assets located in the foreign operations	$ 94,052,845				$ 94,052,845						$ 81,834,265
Cash and cash equivalents as well as short and long-term, mainly located in the United States of America and Brazil	167,664,673				167,664,673						141,019,513
Foreign currency gain / (loss)	3,284,190	(354,219)			2,080,822	7,275
Translation of foreign currency to reporting currency, average			5.67				2.15	6.05
Currency translation adjustment				16,977,276
Volume restrictions on an entity's trading activity per day					50,000
Volume restrictions on an entity's trading activity per month					350,000
Translation of foreign currency to reporting currency, closing												5.27
Exchange rate used to re-measure transactions										5.30
Percentage of consolidated net assets										8.00%
Percentage of consolidated cash and investments										5.20%
Status of blended CPI/NCPI three-year inflation index									The blended CPI/NCPI three-year inflation index (23 months of NCPI and 13 months of CPI) as of November 30, 2009 exceeded 100%.
Taxes on revenues, total	5,948,244	3,893,210			15,698,754	10,518,144
Aggregate tax benefit, total	1,527,295	1,250,042			4,062,730	3,220,530
Aggregate per share effect of the Argentine tax holiday	$ 0.03	$ 0.03			$ 0.09	$ 0.07
Foreign tax credits related to the dividend distributions received from its subsidiaries	3,000,169				3,000,169						2,436,224
Total comprehensive income	10,096,602	22,447,005			43,031,650	41,858,091
Period used to compute National Consumer Price Index rate													23 months
Period used to compute Consumer Price Index rate													13 months
Percentage of Tax benefits obtained out of software development law					From fiscal year 2008 to fiscal year 2019, the Company’s Argentine subsidiary is 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, until fiscal year 2019.
Credit card receivables due	$ 0				$ 0
Percentage of relief of Total Income Tax					60.00%