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1. BASIS OF PRESENTATION AND CONSOLIDATION (Tables)
 3 Months Ended
Mar. 31, 2018
Accounting Policies [Abstract]  
Rate of collection for accounts receivable
Accounts Receivable Aging Percent Collected
90-120 days 0%
121-150 days 12%
151-180 days 0%
181-210 days 16%
211-240 days 100%
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)   3 - 8
Motor vehicles   5
Furniture, fixtures and equipment   3-8
Schedule of earnings per share
    Three-Month Period Ended
March 31,
    2018   2017
Numerator        
Net income/(loss)   $ (6,977,100 )   $ 8,075,120  
                 
Denominator                
Basic: Weighted-average common shares outstanding during the period     46,803,791       46,793,791  
Add: Dilutive effect of stock options     22,597       10,450  
Diluted     46,826,388       46,804,241  
                 
Net income/(loss) per share                
Basic   $ (0.15 )   $ 0.17  
Diluted   $ (0.15 )   $ 0.17