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Note 15 - Stockholders' Equity (Details) - Information Relating to DSU Grants and Deliveries (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Note 15 - Stockholders' Equity (Details) - Information Relating to DSU Grants and Deliveries [Line Items] |  |  |  |  |
Common stock delivered | (2,000) | (2,000) | (2,000) |  | (9,000)
Deferred Stock Units (DSUs) [Member] |  |  |  |  |
Note 15 - Stockholders' Equity (Details) - Information Relating to DSU Grants and Deliveries [Line Items] |  |  |  |  |
DSUs outstanding at December 31, 2013 |  |  | 98,495 |  |
DSUs outstanding at September 30, 2014 | 529,774 |  | 529,774 |  |
DSUs granted |  |  | 449,544 |  |
DSUs forfeited |  |  | (994) |  |
Common stock delivered |  |  | (9,497) |  |
DSUs surrendered for taxes |  |  | (7,774) |  |
Deferred Stock Units Issued as Compensation [Member] |  |  |  |  |
Note 15 - Stockholders' Equity (Details) - Information Relating to DSU Grants and Deliveries [Line Items] |  |  |  |  |
DSUs granted (in Dollars) |  |  | $ 6,389 | [1] |
[1] | The total FMV is derived from the number of DSUs granted times the current stock price on the date of grant.

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- Definition Fair value of share-based awards granted during the period. + References No definition available. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer. + References No definition available. + Details
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