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4. SUPPLEMENTAL CASH FLOW INFORMATION
 9 Months Ended
Sep. 30, 2014
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block]
4. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:


    (Unaudited)  
    Nine Months Ended  
    September 30,  
    2014     2013  
             
Interest   $ 609,004     $ 479,280  
                 
Federal, state and local income taxes, net of refunds   $ 901,852     $ 2,081,478  
                 
Fixed asset purchases in accounts payable   $ 171,038     $ 414,961