XML 38 R27.htm IDEA: XBRL DOCUMENT v3.5.0.2
1. NATURE OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 9 Months Ended
Sep. 30, 2016
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)   3 - 8
Motor vehicles   5
Furniture, fixtures and equipment   3-8
Schedule of earnings per share
    Three-Month Period Ended September 30,     Nine-Month Period Ended September 30,
    2016     2015       2016       2015    
Numerator                              
Net income   $ 10,515,713     $ 10,679,422     $ 30,179,696     $ 26,769,953    
                                   
Denominator                                  
Basic: Weighted-average common shares outstanding during the period     46,301,217       46,007,120       46,106,194       44,884,268    
Add: Dilutive effect of stock options     8,033       898,242       454,743       969,862    
Diluted     46,309,250       46,905,362       46,560,937       45,854,130    
                                   
Earnings per share                                  
Basic   $ 0.23     $ 0.23     $ 0.65     $ 0.60    
Diluted   $ 0.23     $ 0.23     $ 0.65     $ 0.58