CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
NET REVENUE	$ 238,793,030	$ 155,570,657	$ 598,887,183	$ 459,514,280
Cost of sales	(213,536,628)	(136,113,727)	(534,284,755)	(403,501,814)
GROSS PROFIT	25,256,402	19,456,930	64,602,428	56,012,466
Selling expenses	(741,135)	(633,584)	(2,168,129)	(1,824,986)
General and administrative expenses	(2,059,027)	(1,498,306)	(5,991,326)	(4,410,680)
Income from operations	22,456,240	17,325,040	56,442,973	49,776,800
Other income (expenses):
Interest income	138,081	135,276	418,235	405,322
Interest expenses		(38,694)		(109,174)
Exchange expenses	40,686	(104,397)	128,362	(104,397)
Gain on extinguishment of warrant liabilities			73,291	87,255
Change in fair value of warrants	451,000	629,000	(23,000)	3,183,252
Other income (expense)	(538)	670	94,241	100,500
Total other income (expenses), net	629,229	621,855	691,129	3,562,758
Income before income taxes	23,085,469	17,946,895	57,134,102	53,339,558
Provision for income taxes	(5,858,831)	(4,418,812)	(14,985,786)	(12,933,413)
NET INCOME	17,226,638	13,528,083	42,148,316	40,406,145
OTHER COMPREHENSIVE INCOME:
Foreign currency translation adjustments	(683,771)	3,648,643	(1,685,422)	7,657,655
COMPREHENSIVE INCOME	$ 16,542,867	$ 17,176,726	$ 40,462,894	$ 48,063,800
Net income per share
Basic	$ 0.58	$ 0.45	$ 1.41	$ 1.35
Diluted	$ 0.58	$ 0.45	$ 1.41	$ 1.34
Weighted average number of shares outstanding
Basic	29,820,836	29,768,403	29,814,300	29,833,041
Diluted	29,891,994	29,976,702	29,996,507	30,124,791