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Note 14 - Stock Based Compensation - Stock Option Activity (Details) | 12 Months Ended
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Dec. 31, 2021 $ / shares shares
Options outstanding, beginning of period (in shares) | shares | 20,631
Options outstanding, beginning of period, weighted average exercise price (in dollars per share) | $ 25.30
Options outstanding at January 1, 2021 (in dollars per share) | $ 3.46
Options granted (in shares) | shares | 0
Options granted, weighted average exercise price (in dollars per share) | $ 0
Options exercised (in shares) | shares | 0
Options exercised weighted average exercise price (in dollars per share) | $ 0
Options exercised (in dollars per share) | $ 0
Options forfeited or expired (in shares) | shares | 0
Options forfeited or expired weighted average exercise price (in dollars per share) | $ 0
Options forfeited or expired (in dollars per share) | $ 0
Options outstanding, end of period (in shares) | shares | 20,631
Options outstanding, end of period, weighted average exercise price (in dollars per share) | $ 25.30
Options outstanding, end of year (in dollars per share) | $ 3.36
Options exercisable (in shares) | shares | 8,631
Options exercisable, weighted average exercise price (in dollars per share) | $ 22.60
Options exercisable at December 31, 2021 (in dollars per share) | $ 3.22

X
- Definition Represents the weighted average grant-date fair value of exercisable options. + References No definition available. + Details
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- Definition Represents the weighted average grant-date fair value of options exercised during the period. + References No definition available. + Details
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- Definition Weighted average grant date fair value of options outstanding. + References No definition available. + Details
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- Definition Represents the weighted average grant-date fair value of options foreited during the period. + References No definition available. + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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