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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2014
SUMMARY OF PRINCIPAL ACCOUNTING POLICIES [Abstract] |
Schedule of Accounts Receivable | The following customers accounted for 10% or more of accounts receivable:
|  | December 31, |
Accounts receivable |  | 2013 |  |  | 2014 |
Customer A |  | $ | 3,673,455 |  |  | $ | * |
Customer B |  | $ | 1,225,831 |  |  | $ | * |
Customer C |  | $ | 1,507,576 |  |  | $ | 2,213,393 |
Customer D |  | $ | * |  |  | $ | 1,578,947 |
Customer E |  | $ | * |  |  | $ | 1,330,145 |
Customer F |  | $ | * |  |  | $ | 1,071,415 |
* |  | Represents less than 10%
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 | 30 years
Machinery and equipment | 15 years
Furniture, fixtures and equipment | 3-5 years
Motor vehicles | 6 years
Schedule of Share-Based Compensation Expenses |
|  | Year ended December 31, |
|  | 2012 |  |  | 2013 |  |  | 2014 |
Selling, general and administrative expenses |  | $ | 2,018,817 |  |  | $ | 1,743,768 |  |  | $ | 1,544,078 |
Research and development expenses |  |  | 175,242 |  |  |  | 60,987 |  |  |  | 12,310 |
Cost of sales |  |  | 55,775 |  |  |  | 76,646 |  |  |  | 236,431 |
Total |  | $ | 2,249,834 |  |  | $ | 1,881,401 |  |  | $ | 1,792,819 |

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- Definition Tabular disclosure of the estimated useful lives of property and equipment. + References No definition available. + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: 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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