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Note 9 - Fair Value (Tables) | 9 Months Ended
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Sep. 30, 2019
Notes Tables |
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] |
|  | Total Carrying |  |  | Quoted Prices |  |  |  |  |  |  | Total Changes |
|  | Amount in |  |  | in Active |  |  |  |  |  |  | in Fair Values |
|  | Consolidated |  |  | Markets for |  |  |  |  |  |  | Included in |
|  | Balance Sheet |  |  | Identical |  |  | Trading Gaines |  |  | Current Period |
|  | September 30, 2019 |  |  | Assets |  |  | and Losses |  |  | Earnings (Loss) |
Marketable equity securities |  | $ | 52,866,683 |  |  | $ | 52,866,683 |  |  | $ | 415,572 |  |  | $ | 2,925,116 |
Securities available for sale |  |  | 75,095,227 |  |  |  | 75,095,227 |  |  |  | 14,902 |  |  |  | (61,056 | )
|  |  |  |  |  |  |  |  |  | $ | 430,474 |  |  | $ | 2,864,060 |

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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