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12. SUPPLEMENTAL CASH FLOW INFORMATION
12 Months Ended
Dec. 31, 2015
Supplemental Cash Flow Elements [Abstract]  
Cash Flow, Supplemental Disclosures [Text Block]
12. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information including other cash paid for interest and Federal, state and local income taxes was as follows:


    Years Ended December 31,  
    2015     2014     2013  
Interest paid   $ 724,651     $ 856,578     $ 683,475  
                         
Federal, state and local income taxes paid - net of refunds   $ 5,568,581     $ 972,645     $ 3,248,181  
                         
Capitalized interest   $ -     $ -     $ -  
                         
Fixed asset purchases in accounts payable   $ 92,903     $ 85,488     $ 459,941