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3. ACCOUNTS RECEIVABLE
3 Months Ended
Mar. 31, 2016
Notes to Financial Statements  
3. ACCOUNTS RECEIVABLE
   

March 31,

2016

   

December 31,

2015

 
Accounts receivable   $ 3,705,358     $ 1,990,283  
Allowances for doubtful accounts     (37,734 )     (35,406 )
    $ 3,667,624     $ 1,954,877