CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $)	3 Months Ended	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract]
Net sales	$ 31,868,046	$ 28,091,330	$ 81,848,511	$ 84,750,150
Cost of sales	(24,258,038)	(24,212,746)	(64,557,820)	(72,105,177)
Gross profit	7,610,008	3,878,584	17,290,691	12,644,973
Research and development expenses	(1,147,359)	(823,735)	(3,265,290)	(2,302,163)
Selling and distribution expenses	(1,423,372)	(1,498,955)	(3,904,771)	(3,654,303)
General and administrative expenses, including stock-based compensation	(4,035,269)	(2,200,960)	(8,313,737)	(6,406,295)
Loss on exchange rate difference	(200,488)	(186,879)	(78,458)	(657,581)
Gain (loss) on derivative instruments	207,576	97,411	240,532	(136,786)
Equity loss in an associate		(104,375)		(108,346)
Total operation expenses	(6,598,912)	(4,717,493)	(15,321,724)	(13,265,474)
Income (loss) from operations	1,011,096	(838,909)	1,968,967	(620,501)
Other income	176,265	239,831	404,483	458,086
Interest expenses	(63,935)	(105,115)	(377,376)	(365,257)
Income (loss) before taxes	1,123,426	(704,193)	1,996,074	(527,672)
Income taxes (expense) benefit	(526,947)	73,683	(943,213)	(69,095)
Net income (loss)	596,479	(630,510)	1,052,861	(596,767)
Less: net loss attributable to non-controlling interest	(47,883)		(98,400)
Net income (loss) attributable to the Company	644,362	(630,510)	1,151,261	(596,767)
Comprehensive income
Net income (loss)	596,479	(630,510)	1,052,861	(596,767)
Foreign currency translation gain	381,765	61,799	225,870	1,220,385
Comprehensive income (loss)	978,244	(568,711)	1,278,731	623,618
Less: comprehensive loss attributable to non-controlling interest	(38,561)		(107,010)
Comprehensive income (loss) attributable to the Company	$ 1,016,805	$ (568,711)	$ 1,385,740	$ 623,618
Earnings (loss) per share of common stock attributable to the Company
- Basic and diluted	$ 0.05	$ (0.05)	$ 0.08	$ (0.04)
Weighted average common shares outstanding
- Basic and diluted	13,582,106	13,582,106	13,582,106	13,582,106

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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.