Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 59,083,417	$ 56,830,466
Short-term investments	67,578,494	5,342,766
Accounts receivable, net	15,429,301	12,618,173
Funds receivable from customers	13,244,197	6,151,518
Prepaid expenses	1,140,002	913,262
Deferred tax assets	11,922,213	12,911,256
Other assets	6,093,323	6,867,767
Total current assets	174,490,947	101,635,208
Non-current assets:
Long-term investments	41,002,762	78,846,281
Property and equipment, net	31,351,966	20,817,712
Goodwill, net	62,861,760	60,496,314
Intangible assets, net	6,710,125	4,141,167
Deferred tax assets	3,495,916	2,975,118
Other assets	5,430,114	771,223
Total non-current assets	150,852,643	168,047,815
Total assets	325,343,590	269,683,023
Current liabilities:
Accounts payable and accrued expenses	19,998,140	17,232,103
Funds payable to customers	58,874,916	48,788,225
Payroll and social security payable	11,722,130	10,786,534
Taxes payable	9,997,791	11,487,574
Loans payable and other financial liabilities	140,107	100,031
Dividends payable	3,531,362	0
Total current liabilities	104,264,446	88,394,467
Non-current liabilities:
Payroll and social security payable	3,056,099	2,562,343
Loans payable and other financial liabilities	178,543	188,846
Deferred tax liabilities	8,219,638	5,167,699
Other liabilities	1,770,821	1,651,398
Total non-current liabilities	13,225,101	9,570,286
Total liabilities	117,489,547	97,964,753
Commitments and contingencies (Note 8)
Equity:
Common stock, $0.001 par value, 110,000,000 shares authorized, 44,142,020 and 44,131,376 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively	44,142	44,131
Additional paid-in capital	120,440,906	120,391,622
Retained earnings	118,262,734	73,681,556
Accumulated other comprehensive loss	(34,304,372)	(22,399,039)
Total Equity of MercadoLibre, Inc.	204,443,410	171,718,270
Noncontrolling Interest	3,410,633	0
Total Equity	207,854,043	171,718,270
Total liabilities and equity	$ 325,343,590	$ 269,683,023