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Note 16 - Shareholders' Equity (Details Textual) - USD ($) |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 15, 2010 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Oct. 14, 2010
Stock Issued During Period, Shares, Acquisitions (in shares) | 3,360,000 |  |  |  |
Stock Issued During Period at Purchase Price Per Share, Acquisition (in dollars per share) | $ 15.00 |  |  |  |
Stock Issued During Period, Value, Acquisitions | $ 50,400,000 |  |  |  |
Percentage of Shares Sold of Common Stock Issued and Outstanding | 87.60% |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.01 | $ 0.01 | $ 0.01 |  | $ 2
Common Stock, Shares Authorized (in shares) | 100,000,000 | 100,000,000 | 100,000,000 |  |
Payments of Ordinary Dividends, Common Stock |  | $ 0 | $ 0 | $ 155,000 |
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share) |  |  |  | $ 0.01 |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) |  |  | 3,039 | 3,555 |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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