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1. NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Mar. 31, 2014
Accounting Policies [Abstract] |
Schedule of property plant and equipment useful life |
|  | Useful life (in years)
Buildings (including salt pans) |  | 8 - 20
Plant and machinery (including protective shells, transmission channels and ducts) |  | 5 - 8
Motor vehicles |  | 5
Furniture, fixtures and equipment |  | 8
Schedule of computation of basic and diluted earnings per share |
|  | Three-Month Period Ended March 31,
|  |  | 2014 |  |  |  | 2013 |
Numerator |  |  |  |  |  |  |  |
Net income |  | $ | 4,286,338 |  |  | $ | 1,882,965 |
Denominator |  |  |  |  |  |  |  |
Basic: Weighted-average common shares outstanding during the period |  |  | 38,598,424 |  |  |  | 38,367,471 |
Add: Dilutive effect of stock options |  |  | 679,533 |  |  |  | 133,487 |
Diluted |  |  | 39,277,957 |  |  |  | 38,500,958 |
Net income per share |  |  |  |  |  |  |  |
Basic |  | $ | 0.11 |  |  | $ | 0.05 |
Diluted |  | $ | 0.11 |  |  | $ | 0.05 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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