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3. ACCOUNTS RECEIVABLE (Tables)
 12 Months Ended
Dec. 31, 2015
Accounts Receivable Tables  
Accounts Receivable
    2015     2014  
             
Accounts receivable   $ 1,990,283     $ 2,363,492  
Allowances for doubtful accounts     (35,406 )     (41,119 )
    $ 1,954,877     $ 2,322,373