INTANGIBLE ASSETS, NET (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
INTANGIBLE ASSETS, NET
Gross Carrying Amount	$ 12,337,124	$ 9,117,847
Accumulated Amortization	(5,731,329)	(3,460,914)
Total intangible assets, net	6,605,795us-gaap_FiniteLivedIntangibleAssetsNet	5,656,933us-gaap_FiniteLivedIntangibleAssetsNet
Amortization expense	1,559,202us-gaap_AmortizationOfIntangibleAssets	1,094,637us-gaap_AmortizationOfIntangibleAssets	754,148us-gaap_AmortizationOfIntangibleAssets
Expected amortization expense of intangible assets
2015	1,400,000
2016	1,200,000
2017	900,000
2018	800,000
2019	2,300,000
Technical know-how
INTANGIBLE ASSETS, NET
Gross Carrying Amount	1,621,897	1,627,777
Accumulated Amortization	(1,130,136)	(1,004,715)
Total intangible assets, net	491,761	623,062
Computer software
INTANGIBLE ASSETS, NET
Gross Carrying Amount	10,715,227	7,490,070
Accumulated Amortization	(4,601,193)	(2,456,199)
Total intangible assets, net	$ 6,114,034	$ 5,033,871

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References