Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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+ Details

Business Combinations, Goodwill and Intangible Assets (Details 1) (USD $)	Sep. 30, 2011	Dec. 31, 2010	Dec. 31, 2009
Composition of Goodwill and Intangible Assets
Goodwill	$ 62,861,760	$ 60,496,314	$ 59,822,746
Amortizable intangible assets
Total intangible assets	10,831,090	7,915,808
Accumulated amortization	(4,120,965)	(3,774,641)
Total intangible assets, net	6,710,125	4,141,167
Trademarks [Member]
Intangible assets with indefinite lives [Line Items]
Trademarks	5,106,747	2,460,952
Licenses and others [Member]
Amortizable intangible assets
Finite-Lived Intangible Assets, Gross	2,671,058	2,606,402
Non-compete agreement [Member]
Amortizable intangible assets
Finite-Lived Intangible Assets, Gross	1,288,216	1,241,357
Customer list [Member]
Amortizable intangible assets
Finite-Lived Intangible Assets, Gross	$ 1,765,069	$ 1,607,097