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Note 10 - Fair Value (As Restated) (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Fair Value, Assets Measured on Recurring and Nonrecurring Basis [Table Text Block] |
|  |  |  |  |  |  |  |  |  |  |  | Total Changes |
|  | Total Carrying |  |  | Quoted Prices |  |  |  |  |  |  | in Fair Values |
|  | Amount in |  |  | in Active |  |  |  |  |  |  | Included in |
|  | Consolidated |  |  | Markets for |  |  | Realized Gains |  |  | Current Period |
|  | Balance Sheet |  |  | Identical |  |  | and (Losses) |  |  | Earnings (Loss) |
|  | Dec. 31, 2020 |  |  | Assets |  |  | (As Restated) |  |  | (As Restated) |
Marketable equity securities, U.S. Treasury trading securities, and corporate bonds |  | $ | 102,824,427 |  |  | $ | 102,824,427 |  |  | $ | 5,701,048 |  |  | $ | (10,399,932 | )

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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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