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12. SUPPLEMENTAL CASH FLOW INFORMATION (Tables) | 12 Months Ended
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Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract] |
Supplemental Cash Flow Information Related Text |
|  | 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 |

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- Definition Additional textual information about cash receipts or disbursements in the period required to be supplementally disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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