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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
SUMMARY OF PRINCIPAL ACCOUNTING POLICIES [Abstract] |
Schedule of Property, Plant and Equipment, Depreciation, Estimated Lives | Property, plant and equipment are recorded at cost less accumulated depreciation. Depreciation is recognized on a straight-line basis over the following estimated useful lives:
Buildings and plant |  |  | 20 years |
Machinery and equipment |  |  | 10 years |
Furniture, fixtures and equipment |  |  | 3-5 years |
Motor vehicles |  |  | 6 years |
Schedule of Customers of Accounts Receivable | The following customers accounted for 10% or more of accounts receivable:
|  | December 31, |
Accounts receivable |  | 2011 |  |  | 2012 |
Customer A |  | $ | 2,655,592 |  |  | $ | 12,529,889 |
Customer C |  | $ | 2,549,318 |  |  | $ | 3,568,910 |
Customer H |  | $ | 5,947,325 |  |  | $ | - |
Customer D |  | $ | 2,823,130 |  |  | $ | 1,842,310 |
Schedule of Share-Based Compensation Expenses | For the years ended December 31, 2010, 2011 and 2012, the Group recognized share-based compensation expense of $1,614,755, $2,206,025 and $2,249,834 respectively, which was classified as follows:
|  | Year ended December 31, |
|  | 2010 |  |  | 2011 |  |  | 2012 |
Selling, general and administrative expenses |  | $ | 1,513,137 |  |  | $ | 2,068,115 |  |  | $ | 2,018,817 |
Research and development expenses |  |  | 96,827 |  |  |  | 75,508 |  |  |  | 175,242 |
Cost of sales |  |  | 4,791 |  |  |  | 62,402 |  |  |  | 55,775 |
Total |  | $ | 1,614,755 |  |  | $ | 2,206,025 |  |  | $ | 2,249,834 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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