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Note 15 - Share-Based and Other Compensation Programs Non-Qualified Stock Options - Range of Exercise Prices for Outstanding and Exercisable Optons (Details) | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
$2.45 - $3.58 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Range of Exercise Prices, Lower Range Limit | $ 2.45
Range of Exercise Prices, Upper Range Limit | 3.58
$10.42 - $15.44 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Range of Exercise Prices, Lower Range Limit | 10.42
Range of Exercise Prices, Upper Range Limit | 15.44
$18.42 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Range of Exercise Prices, Lower Range Limit | $ 18.42
Non-Qualified Stock Options |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 981,547
Options Outstanding, Weighted Average Remaining Contractual Life (Years) | 4 years
Options Outstanding, Weighted Average Exercise Price | $ 10.05
Options Exercisable, Number Exercisable | shares | 853,041
Options Exercisable, Weighted Average Exercise Price | $ 9.73
Non-Qualified Stock Options | $2.45 - $3.58 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 377,117
Options Outstanding, Weighted Average Remaining Contractual Life (Years) | 2 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price | $ 2.45
Options Exercisable, Number Exercisable | shares | 377,117
Options Exercisable, Weighted Average Exercise Price | $ 2.45
Non-Qualified Stock Options | $10.42 - $15.44 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 449,976
Options Outstanding, Weighted Average Remaining Contractual Life (Years) | 4 years 10 months 24 days
Options Outstanding, Weighted Average Exercise Price | $ 13.54
Options Exercisable, Number Exercisable | shares | 321,470
Options Exercisable, Weighted Average Exercise Price | $ 14.09
Non-Qualified Stock Options | $18.42 |
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items] |
Options Outstanding, Number Outstanding | shares | 154,454
Options Outstanding, Weighted Average Remaining Contractual Life (Years) | 5 years 3 months 18 days
Options Outstanding, Weighted Average Exercise Price | $ 18.42
Options Exercisable, Number Exercisable | shares | 154,454
Options Exercisable, Weighted Average Exercise Price | $ 18.42

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + 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)(iii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + 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 (g) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + 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=116856206&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + 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)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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