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Condensed Consolidated Statements of Equity and Comprehensive Income (Unaudited) (USD $)	Total	Common stock	Retained earnings	Non- controlling interests
Balance at Dec. 31, 2010	$ 77,715,475	$ 70,778,874	$ 6,998,806	$ (62,205)
Balance, shares at Dec. 31, 2010	20,338,461	20,338,461
Stock-based compensation - nonemployees	28,660	28,660
Exercise of options and related tax benefit, shares		346,850
Exercise of options and related tax benefit	2,040,076	2,040,076
Stock-based compensation - employees	313,280	313,280
Repurchase of shares, shares		(285,226)
Repurchase of shares	(1,551,847)	(1,551,847)
Net and comprehensive income	2,879,431		2,898,779	(19,348)
Balance at Jun. 30, 2011	$ 81,425,075	$ 71,609,043	$ 9,897,585	$ (81,553)
Balance, shares at Jun. 30, 2011	20,400,085	20,400,085

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