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Investments In Securities (Schedule Of Unrealized Losses On Investments) (Details) - USD ($) | Jun. 30, 2017 | Dec. 31, 2016
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Schedule of Available-for-sale Securities [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | $ 18,841,027 | $ 30,427,114
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | (346,354) | (849,651)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0
Total temporarily impaired securities, Total Fair Value | 18,841,027 | 30,427,114
Total temporarily impaired securities, Unrealized Losses | (346,354) | (849,651)
General Obligations Of U.S. States, Territories And Political Subdivisions |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | 5,306,022 | 13,884,808
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | (69,044) | (298,533)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0
Total temporarily impaired securities, Total Fair Value | 5,306,022 | 13,884,808
Total temporarily impaired securities, Unrealized Losses | (69,044) | (298,533)
Special Revenue Obligations Of U.S. States, Territories And Political Subdivisions |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | 12,141,462 | 16,161,906
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | (246,869) | (502,135)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0
Total temporarily impaired securities, Total Fair Value | 12,141,462 | 16,161,906
Total temporarily impaired securities, Unrealized Losses | (246,869) | (502,135)
Total Fixed Income Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | 17,447,484 | 30,046,714
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | (315,913) | (800,668)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0
Total temporarily impaired securities, Total Fair Value | 17,447,484 | 30,046,714
Total temporarily impaired securities, Unrealized Losses | (315,913) | (800,668)
Equity Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total temporarily impaired securities, Less than 12 Months, Fair Value | 1,393,543 | 380,400
Total temporarily impaired securities, Less than 12 Months, Unrealized Losses | (30,441) | (48,983)
Total temporarily impaired securities, 12 Months or Longer, Fair Value | 0 | 0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0 | 0
Total temporarily impaired securities, Total Fair Value | 1,393,543 | 380,400
Total temporarily impaired securities, Unrealized Losses | $ (30,441) | $ (48,983)

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- Definition Amount of accumulated unrealized loss on investments in debt and equity securities classified as available-for-sale that have been in a continuous loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
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