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12. SUPPLEMENTAL CASH FLOW INFORMATION
12 Months Ended
Dec. 31, 2016
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, 
   2016   2015   2014 
Interest paid  $606,697   $724,651   $856,578 
                
Federal, state and local income taxes paid - net of refunds  $339,625   $5,568,581   $972,645 
                
Fixed asset purchases in accounts payable  $216,523   $92,903   $85,488